# Aeries SIS vs PowerSchool SIS Comparison

---
## Frequently Asked Questions

### What is the difference between PowerSchool SIS vs Aeries SIS?

PowerSchool SIS stands out for its higher review volume and centralized information, while Aeries SIS is rated higher for ease of setup and administration.

| [PowerSchool SIS](https://www.g2.com/products/powerschool-sis/reviews) | [Aeries SIS](https://www.g2.com/products/aeries-sis/reviews) |
| --- | --- |
| 4.2/5 (742 reviews) | 4.1/5 (35 reviews) |
| Mid-Market | Mid-Market |
| 7.2 | 8.3 |
| 7.9 | 8.1 |
| Centralized Information | Easy to Navigate |



### How do the pricing models of PowerSchool SIS and Aeries SIS compare?

Reviewers rate Aeries SIS higher on value, with a stronger Price/Cost satisfaction score than PowerSchool SIS.

- **PowerSchool SIS:** In recent reviews, several reviewers cite high cost and expensive customization as trade-offs.
- **Aeries SIS:** Reviewers do not cite cost as a concern and rate it higher on value.



### What are the best alternatives to PowerSchool SIS and Aeries SIS?

The top three alternatives to PowerSchool SIS and Aeries SIS are Teachmint, Infinite Campus, and Skyward.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [PowerSchool SIS](https://www.g2.com/products/powerschool-sis/reviews) | 4.2/5 (742) | Mid-Market | High cost cited in reviews | Centralized Information |
| [Aeries SIS](https://www.g2.com/products/aeries-sis/reviews) | 4.1/5 (35) | Mid-Market | — | Easy to Navigate |
| [Teachmint](https://www.g2.com/products/teachmint-g2/reviews) | 4.9/5 (40) | Small-Business | — | — |
| [Infinite Campus](https://www.g2.com/products/infinite-campus/reviews) | 3.7/5 (203) | Mid-Market | — | — |
| [Skyward](https://www.g2.com/products/skyward-student-information-system/reviews) | 3.8/5 (177) | Mid-Market | — | — |



### Which K-12 Student Information Systems features should I prioritize when comparing PowerSchool SIS and Aeries SIS?

Buyers should prioritize Gradebook, Ease of Setup, Integrations, Centralized Information, and Customization when comparing PowerSchool SIS and Aeries SIS.

- **Gradebook:** Gradebook is the most frequently mentioned feature in reviews for both products.
- **Ease of Setup:** PowerSchool SIS scores 7.2, Aeries SIS scores 8.3.
- **Integrations:** PowerSchool SIS has 7 all-time mentions for easy integrations; Aeries SIS reviewers cite integration with other software systems.
- **Centralized Information:** PowerSchool SIS has 8 all-time mentions for centralized information; Aeries SIS reviewers highlight all-in-one access to grades, attendance, and health data.
- **Customization:** PowerSchool SIS has 6 all-time mentions for easy customization; Aeries SIS reviewers note organizational flexibility.



### What are the pros and cons of PowerSchool SIS vs Aeries SIS?

PowerSchool SIS is strongest for centralized information and integrations, while Aeries SIS is praised for ease of setup and navigation.

- **PowerSchool SIS strengths:** Centralized Information (8 all-time mentions), Easy Integrations (7), Easy Customization (6), Ease of Access (7), Comprehensive Features (3), User-Friendly (3).
- **PowerSchool SIS trade-offs:** Learning Difficulty (5), Technical Issues (5), Poor Usability (4), Customization Issues (3), High Cost (3), Integration Issues (2).
- **Aeries SIS strengths:** Easy to Navigate, All-in-one access to grades, attendance, and health data, Organizational flexibility, Streamlined reporting and data management.
- **Aeries SIS trade-offs:** Gradebook complexity and lack of intuitiveness, Limited customization, Some reviewers cite difficulty finding features and navigating reports.



### Is PowerSchool SIS or Aeries SIS better for small businesses?

Aeries SIS is better suited for small businesses, as reflected by its higher Ease of Setup and Ease of Admin scores and positive reviewer sentiment.

- **PowerSchool SIS:** Largest segment is Mid-Market; reviewers note a steep learning curve and complexity for new users.
- **Aeries SIS:** Largest segment is Mid-Market; reviewers highlight ease of use, quick setup, and intuitive navigation, making it accessible for smaller organizations.



### Which K-12 Student Information Systems platform has better integrations?

PowerSchool SIS is favored for integrations, with more reviewer-cited integrations and higher all-time mention counts.

- **PowerSchool SIS:** Integrates with Clever (10 all-time mentions), Canvas LMS (2), and Edlio (1); reviewers highlight integration with other PowerSchool products and third-party platforms.
- **Aeries SIS:** Reviewers mention integration with other software systems and Apollo Hub, but no all-time mention counts are supplied.



### How do PowerSchool SIS and Aeries SIS compare on customer support?

PowerSchool SIS and Aeries SIS are rated within 0.2 points on Quality of Support, indicating near parity (7.9 vs 8.1).

- **PowerSchool SIS:** Reviewers describe responsive customer service, but also cite inconsistent support experiences and challenges with technical support.
- **Aeries SIS:** Reviewers highlight helpful support, with several citing quick responses and effective assistance.



### Which is easier to implement, PowerSchool SIS or Aeries SIS?

Aeries SIS is rated higher for Ease of Setup by 1.1 points (8.3 vs 7.2), with reviewers also favoring its ease of administration.

- **PowerSchool SIS:** Reviewers note a steep learning curve and complex implementation, with some citing the need for extensive training and technical knowledge.
- **Aeries SIS:** Reviewers consistently describe setup as quick and intuitive, with minimal training required and easy navigation for new users.



### Which product has better Gradebook?

PowerSchool SIS is favored for Gradebook, with more positive reviewer sentiment and higher mention counts.

- **PowerSchool SIS:** Gradebook is frequently cited as a strength, with reviewers highlighting ease of use, integration with LMS platforms, and centralized grading; 4 all-time mentions for Ease of Use and 3 for User-Friendly.
- **Aeries SIS:** Reviewers note that the Gradebook is functional but less intuitive, with several citing complexity and limited features as trade-offs.



| | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Star Rating** | 4.1 out of 5 | 4.2 out of 5 | 
| **Total Reviews** | 35 | 742 | 

---
## Top Pros & Cons

### Aeries SIS

**Not enough data**

### PowerSchool SIS

Pros:
- Centralized Information (8 reviews)
- Ease of Access (7 reviews)

Cons:
- Learning Difficulty (5 reviews)
- Technical Issues (5 reviews)

---
## Ratings Comparison
| Rating | Aeries SIS | PowerSchool SIS | 
|---|---|---|
  | **Meets Requirements** | 8.7 (33 reviews) | 8.5 (589 reviews) | 
  | **Ease of Use** | 8.3 (33 reviews) | 8.0 (589 reviews) | 
  | **Ease of Setup** | 8.3 (7 reviews) | 7.2 (296 reviews) | 
  | **Ease of Admin** | 8.8 (8 reviews) | 7.7 (317 reviews) | 
  | **Quality of Support** | 8.1 (24 reviews) | 7.9 (525 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.2 (6 reviews) | 8.2 (302 reviews) | 
  | **Product Direction (% positive)** | 7.9 (33 reviews) | 8.0 (560 reviews) | 

---
## Pricing

### Aeries SIS

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### PowerSchool SIS

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### School Management

| Product | Score | Reviews |
|---|---|---|
| **Aeries SIS** | N/A | N/A |
| **PowerSchool SIS** | N/A | N/A |

#### Additional Functionality

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Faculty/Staff Management** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Class Scheduling** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **K-12** | Not enough data | Not enough data | 
| **Parent Portal** | Not enough data | Not enough data | 
| **Attendance Tracking** | Not enough data | Not enough data | 
| **Classroom Management** | Not enough data | Not enough data | 
| **Single Sign On** | Not enough data | Not enough data | 
| **Records Management** | Not enough data | Not enough data | 
| **Progress Reports** | Not enough data | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 
| **Skills Assessment** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Online Payments** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Calendar Management** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Financial Management** | Not enough data | Not enough data | 
| **Student Portal** | Not enough data | Not enough data | 
| **Library Management** | Not enough data | Not enough data | 
| **Forms Management** | Not enough data | Not enough data | 
| **Event Calendar** | Not enough data | Not enough data | 
| **Blended Learning** | Not enough data | Not enough data | 
| **Payroll Management** | Not enough data | Not enough data | 
| **Student Information/Records** | Not enough data | Not enough data | 
| **Independent/Private** | Not enough data | Not enough data | 
| **Document Management** | Not enough data | Not enough data | 
| **Learning Management** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Search/Filter** | Not enough data | Not enough data | 
| **Enrollments/Onboarding** | Not enough data | Not enough data | 
| **Email Management** | Not enough data | Not enough data | 
| **Curriculum Management** | Not enough data | Not enough data | 
| **Assessment Management** | Not enough data | Not enough data | 
| **Gradebook** | Not enough data | Not enough data | 
| **Course Authoring** | Not enough data | Not enough data | 
| **Bookstore Management** | Not enough data | Not enough data | 
| **Data Import/Export** | Not enough data | Not enough data | 
| **Housing Management** | Not enough data | Not enough data | 
| **Student Management** | Not enough data | Not enough data | 
| **Admissions Management** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **Document Storage** | Not enough data | Not enough data | 
| **Electronic Payments** | Not enough data | Not enough data | 
| **Customizable Forms** | Not enough data | Not enough data | 
| **Cafeteria Management** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Facility Management** | Not enough data | Not enough data | 
| **For Higher Education** | Not enough data | Not enough data | 
| **Online Calendar** | Not enough data | Not enough data | 
| **Self Service Portal** | Not enough data | Not enough data | 
| **Attendance Management** | Not enough data | Not enough data | 
| **Role-Based Permissions** | Not enough data | Not enough data | 
| **Assignment Management** | Not enough data | Not enough data | 
| **School District** | Not enough data | Not enough data | 
| **Special Education** | Not enough data | Not enough data | 
| **Registration Management** | Not enough data | Not enough data | 
| **Parent/Student Portal** | Not enough data | Not enough data | 

### K-12 Student Information Systems

| Product | Score | Reviews |
|---|---|---|
| **Aeries SIS** | 8.9/10 | 5 |
| **PowerSchool SIS** | 7.9/10 | 219 |

#### Platform Content

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **File Sharing** | Not enough data | 7.3 (108 reviews) | 
| **White-Labeling** | Not enough data | 7.0 (93 reviews) | 
| **Gradebook** | 8.3 (5 reviews) | 8.8 (196 reviews) | 

#### Platform Additional Functionality

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Cloud** | Not enough data | 8.5 (107 reviews) | 
| **Mobility** | Not enough data | 8.0 (166 reviews) | 
| **Messaging** | Not enough data | 6.8 (102 reviews) | 

#### Platform Data

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Visualization** | 8.7 (5 reviews) | 7.9 (158 reviews) | 
| **Activity Dashboard** | 9.3 (5 reviews) | 8.2 (181 reviews) | 
| **Analytics** | Not enough data | 7.9 (164 reviews) | 
| **Registration** | Not enough data | 8.0 (149 reviews) | 
| **Atttendance** | 9.3 (5 reviews) | 8.8 (200 reviews) | 

#### Agentic AI - K-12 Student Information Systems

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Employee Management** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Content Management** | Not enough data | Not enough data | 
| **Client Portal** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Scheduling** | Not enough data | Not enough data | 
| **Billing & Invoicing** | Not enough data | Not enough data | 
| **Calendar Management** | Not enough data | Not enough data | 
| **Reminders** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Admissions Management** | Not enough data | Not enough data | 
| **Forms Management** | Not enough data | Not enough data | 
| **Student Management** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Student Portal** | Not enough data | Not enough data | 
| **Email Management** | Not enough data | Not enough data | 
| **Payroll Management** | Not enough data | Not enough data | 
| **Enrollments/Onboarding** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Records Management** | Not enough data | Not enough data | 
| **Electronic Payments** | Not enough data | Not enough data | 
| **Course Authoring** | Not enough data | Not enough data | 
| **Curriculum Management** | Not enough data | Not enough data | 
| **Assignment Management** | Not enough data | Not enough data | 
| **Transportation Management** | Not enough data | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Document Storage** | Not enough data | Not enough data | 
| **Registration Management** | Not enough data | Not enough data | 
| **Customizable Forms** | Not enough data | Not enough data | 
| **Assessment Management** | Not enough data | Not enough data | 
| **Online Calendar** | Not enough data | Not enough data | 
| **Search/Filter** | Not enough data | Not enough data | 
| **Self Service Portal** | Not enough data | Not enough data | 
| **Event Calendar** | Not enough data | Not enough data | 
| **Progress Reports** | Not enough data | Not enough data | 
| **Progress Tracking** | Not enough data | Not enough data | 
| **Student Information/Records** | Not enough data | Not enough data | 
| **Document Management** | Not enough data | Not enough data | 
| **Class Scheduling** | Not enough data | Not enough data | 
| **Summary Reports** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Online Payments** | Not enough data | Not enough data | 
| **Faculty/Staff Management** | Not enough data | Not enough data | 
| **Employee Portal** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Attendance Management** | Not enough data | Not enough data | 
| **Parent/Student Portal** | Not enough data | Not enough data | 
| **Task Management** | Not enough data | Not enough data | 
| **Learning Management** | Not enough data | Not enough data | 
| **Attendance Tracking** | Not enough data | Not enough data | 
| **Financial Management** | Not enough data | Not enough data | 
| **Data Import/Export** | Not enough data | Not enough data | 
| **Report Cards** | Not enough data | Not enough data | 
| **Fee Collection** | Not enough data | Not enough data | 
| **Performance Metrics** | Not enough data | Not enough data | 
| **For Higher Education** | Not enough data | Not enough data | 
| **Mobile App** | Not enough data | Not enough data | 
| **Role-Based Permissions** | Not enough data | Not enough data | 

### Education ERP Suites

| Product | Score | Reviews |
|---|---|---|
| **Aeries SIS** | N/A | N/A |
| **PowerSchool SIS** | N/A | N/A |

#### Integrations

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Integrations** | Not enough data | Not enough data | 
| **Communication** | Not enough data | Not enough data | 
| **Data Sharing** | Not enough data | Not enough data | 

#### Core Modules

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Finance and Accounting** | Not enough data | Not enough data | 
| **Human Resources** | Not enough data | Not enough data | 
| **Billing and Fees** | Not enough data | Not enough data | 

#### Reporting

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Report Generation** | Not enough data | Not enough data | 
| **Report Automation** | Not enough data | Not enough data | 

### Student Information Systems (SIS)

| Product | Score | Reviews |
|---|---|---|
| **Aeries SIS** | N/A | N/A |
| **PowerSchool SIS** | N/A | N/A |

#### Agentic AI - Student Information Systems (SIS)

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | 

### Education ERP

| Product | Score | Reviews |
|---|---|---|
| **Aeries SIS** | N/A | N/A |
| **PowerSchool SIS** | N/A | N/A |

#### Agentic AI - Education ERP

| Feature | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [K-12 Student Information Systems](https://www.g2.com/categories/k-12-student-information-systems)


**Unique to PowerSchool SIS (2):** [Education ERP Suites](https://www.g2.com/categories/education-erp-suites), [School Management Software](https://www.g2.com/categories/school-management-software)


---
## Reviewer Demographics

### By Company Size

| Segment | Aeries SIS | PowerSchool SIS | 
|---|---|---|
| **Small-Business** | 17.1% | 16.4% | 
| **Mid-Market** | 51.4% | 66.0% | 
| **Enterprise** | 31.4% | 17.6% | 

### By Industry

#### Aeries SIS

- **Education Management:** 70.6%
- **Primary/Secondary Education:** 20.6%
- **Higher Education:** 5.9%
- **Health, Wellness and Fitness:** 2.9%

#### PowerSchool SIS

- **Education Management:** 57.3%
- **Primary/Secondary Education:** 29.5%
- **Higher Education:** 4.0%
- **E-Learning:** 1.4%
- **Non-Profit Organization Management:** 1.2%
- **Computer Software:** 0.7%
- **Information Technology and Services:** 0.7%
- **Government Administration:** 0.4%
- **Hospital & Health Care:** 0.4%
- **Wholesale:** 0.3%
- **Other:** 4.0%

---
## Alternatives

### Alternatives to Aeries SIS

- [Infinite Campus](https://www.g2.com/products/infinite-campus/reviews) — 3.7/5 stars (203 reviews)
- [Skyward Student Information System](https://www.g2.com/products/skyward-student-information-system/reviews) — 3.8/5 stars (177 reviews)
- [Synergy Education Platform](https://www.g2.com/products/edupoint-synergy-education-platform/reviews) — 2.7/5 stars (72 reviews)
- [Gradelink](https://www.g2.com/products/gradelink/reviews) — 4.7/5 stars (231 reviews)
- [AdminPlus SIS](https://www.g2.com/products/adminplus-sis/reviews) — 4.0/5 stars (103 reviews)
- [ISI: Illuminate Student Information](https://www.g2.com/products/isi-illuminate-student-information/reviews) — 4.0/5 stars (33 reviews)
- [Follett Aspen SIS](https://www.g2.com/products/follett-aspen-sis/reviews) — 3.3/5 stars (22 reviews)
- [FACTS SIS (Student Information System)](https://www.g2.com/products/facts-sis-student-information-system/reviews) — 4.1/5 stars (120 reviews)
- [Alma SIS](https://www.g2.com/products/alma-sis/reviews) — 4.2/5 stars (63 reviews)
- [QuickSchools](https://www.g2.com/products/quickschools/reviews) — 4.5/5 stars (93 reviews)

### Alternatives to PowerSchool SIS

- [Teachmint](https://www.g2.com/products/teachmint-g2/reviews) — 4.9/5 stars (40 reviews)
- [Gradelink](https://www.g2.com/products/gradelink/reviews) — 4.7/5 stars (231 reviews)
- [Infinite Campus](https://www.g2.com/products/infinite-campus/reviews) — 3.7/5 stars (203 reviews)
- [Skyward Student Information System](https://www.g2.com/products/skyward-student-information-system/reviews) — 3.8/5 stars (177 reviews)
- [AdminPlus SIS](https://www.g2.com/products/adminplus-sis/reviews) — 4.0/5 stars (103 reviews)
- [FACTS SIS (Student Information System)](https://www.g2.com/products/facts-sis-student-information-system/reviews) — 4.1/5 stars (120 reviews)
- [SchoolStatus](https://www.g2.com/products/schoolstatus/reviews) — 4.8/5 stars (842 reviews)
- [QuickSchools](https://www.g2.com/products/quickschools/reviews) — 4.5/5 stars (93 reviews)
- [Synergy Education Platform](https://www.g2.com/products/edupoint-synergy-education-platform/reviews) — 2.7/5 stars (72 reviews)
- [Alma SIS](https://www.g2.com/products/alma-sis/reviews) — 4.2/5 stars (63 reviews)

---
## Top Discussions

### Aeries SIS

No discussions available for this product.

### PowerSchool SIS

- Title: [Can PowerSchool SIS help our district meet the demands of parents and families who want to be engaged with a student’s progress at a high level?](https://www.g2.com/discussions/can-powerschool-sis-help-our-district-meet-the-demands-of-parents-and-families-who-want-to-be-engaged-with-a-student-s-progress-at-a-high-level) — 4 comments, 1 upvote
  > **Top comment:** "I would say Poweschool keeps parents engaged at an average level, not a high level. "
- Title: [How can I get other useful resources for transcript template](https://www.g2.com/discussions/how-can-i-get-other-useful-resources-for-transcript-template) — 3 comments, 1 upvote
  > **Top comment:** "There are many templates available on PowerSource through the community. You can also build your own pretty easily with a little HTML knowledge. "
- Title: [What is PowerSchool?](https://www.g2.com/discussions/what-is-powerschool) — 3 comments, 2 upvotes
  > **Top comment:** "As a user on a daily basis of Powerschool it is a key tool that connects all staff and combines the data for all students.  From reporting attendance by the..."
- Title: [Our time-crunched staff need answers and solutions for any technical issues that may arise with their student information system. How does PowerSchool address those?](https://www.g2.com/discussions/our-time-crunched-staff-need-answers-and-solutions-for-any-technical-issues-that-may-arise-with-their-student-information-system-how-does-powerschool-address-those) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "PowerSchool offers comprehensive and ongoing support with an expansive suite of web-based support solutions, including:
•	Giving customers aggregated..."
- Title: [Can PowerSchool SIS help us manage complex grading policies and unique data needs without paying extra for customization?](https://www.g2.com/discussions/can-powerschool-sis-help-us-manage-complex-grading-policies-and-unique-data-needs-without-paying-extra-for-customization) — 2 comments, 2 upvotes *(includes official response)*
  > **Top comment:** "PowerSchool SIS customizations offer districts flexibility to tailor the product to their needs. In addition, PowerSchool SIS:
•	Gives users the capability..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/aeries-sis-vs-powerschool-sis)