Head-to-head · Student Information Systems
openSIS vs Arbor School MIS
openSIS leads on 1 check, Arbor School MIS on 0, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreopenSIS · 9.4/10
- Free planonly openSIS
openSIS scores higher on our rubric for student information systems: 9.4 against 6.0 out of 10; our editors rank them #1 and #14.
openSIS offers free plan; Arbor School MIS doesn't publish it.
openSIS is the better fit for budget-conscious schools needing broad SIS coverage. Arbor School MIS is the better fit for schools needing UK-focused MIS breadth.
- openSIS fits best
Budget-conscious schools needing broad SIS coverage
- Arbor School MIS fits best
Schools needing UK-focused MIS breadth
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Side by side
| Feature | openSIS 9.4/10 Visit ↗ | Arbor School MIS 6.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 6.0 |
| Ranking | #1 in Student Information Systems | #14 in Student Information Systems |
| Best for | Budget-conscious schools needing broad SIS coverage | Schools needing UK-focused MIS breadth |
| Pricing model | Free plan + paid | Paid |
| Starting price | Not published | Not published |
| Free plan | ✓ (best) | Not published |
| Free trial | — | — |
| Deployment | Cloud, Mobile | Cloud, Mobile |
| Platforms | Web, iOS, Android | Web, iOS, Android |
| Support | Email, Phone, Tickets, Docs | Email, Live chat, Phone, Tickets, Community, Docs · 24/7 |
| Compliance | ISO 27001, GDPR | ISO 27001, GDPR, 2FA |
| Integrations | 16 integrations | 12 integrations |
| Built for | Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features openSIS 1/5 · Arbor School MIS 1/5 | ||
| Enrollment workflows | Not published | Not published |
| Transcript management | Not published | Not published |
| Student portal | Not published | Not published |
| API access | Not published | Not published |
| Attendance tracking | ✓ | ✓ |
| Specs | ||
| Hosting | Not published | Not published |
| Our review | ||
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| Our verdict | openSIS is a cloud-based student information system for K-12 schools, colleges, training programs, and virtual education providers. It brings together student records, admissions, scheduling, attendance, grading, billing, communications,… Read the review → |
Arbor School MIS is a cloud-based management information system for primary, secondary, special, alternative provision and pupil referral schools. It brings attendance registers, behavior and progress tracking, assessment management,… Read the review → |
Strengths and trade-offs
openSIS — where it wins
- Free plan plus a 15-day trial supports budget-conscious evaluation.
- Covers records, attendance, grading, portals, billing, and admissions.
- Connects with LMS, payment, accounting, communication, and SSO tools.
Where it doesn't
- Core Startup is limited to 50 students and 100 parent accounts.
- Advanced integrations, API access, and single sign-on require Advanced.
- Staff-based pricing can cost more on monthly billing than annual billing.
Arbor School MIS — where it wins
- Covers attendance, behavior, assessment, admissions and statutory reporting
- Includes parent portals, mobile apps, payments and communications
- Supports APIs and integrations with Wonde, ParentPay, Google Classroom and more
Where it doesn't
- Standard MIS package prices are not published
- The broad feature set may exceed the needs of narrowly focused schools
- Package selection affects access to portals, payments and assessment tools
- openSIS9.4/10 · Free plan · paid from $4/mo (annual) · 15-day trial
Broad SIS coverage with a free plan and staff-based pricing from $4 monthly.
Visit openSISFull verdict → - Arbor School MIS6.0/10 · Pricing on request
Broad UK-focused MIS coverage spanning administration, engagement, assessment and reporting.
Visit ArborFull verdict →
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All student information systems comparisons → · Full ranking →
Guides on student information systems
- AlekSIS - Student Information System: Features, Hosting, Costs, and AlternativesAug 2026
- What Is a Student Information System (SIS)? A Practical Guide for Schools and CollegesAug 2026
- OpenSIS vs PowerSchool: Which Student Information System Is Better for Your School or District?Aug 2026
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update







