Design a Student Information System (SIS)
Kickstart your SIS schema with proven entities and relationships. Reduce modeling time and surface constraints before development.
AI Chart Template
Students–Classes–Grades ERD Template
Visualizes students, classes, and enrollments with keys, constraints, and grade tracking for a clean school data model.
Chart preview
Students–Classes–Grades ERD Template
Visualizes students, classes, and enrollments with keys, constraints, and grade tracking for a clean school data model.
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What This Template Offers
A ready-to-use ER diagram for modeling student records, class offerings, and enrollments—so you can design, validate, and share your school database fast.
- Prebuilt Student, Class, and Enrollment entities
- Correct one‑to‑many identifying relationships
- Composite PK on Enrollment with FK links
- Unique constraints for student email and course_code
- Easy edits, instant preview, share or export
Use cases
Perfect Use Cases
LMS and Registrar Data Mapping
Align LMS rosters with registrar records. Clarify how students join classes and how grades are stored across terms.
Accreditation & Reporting Readiness
Document how grades and enrollments are captured. Show auditors a clear ER diagram with keys, constraints, and status fields.
Data Migration & Cleanup
Map legacy tables to a modern model. Identify duplicates (email UK), reconcile course codes, and standardize enrollment status values.
Customize
How to Customize
Edit entities and keys
Rename fields, add attributes, and set PK/UK/FK as needed for your institution’s policies.
Map relationships and cardinalities
Connect Student and Class to Enrollment, choose identifying relationships, and set one‑to‑many rules.
Style and share
Adjust layout and colors, add a title and notes, then export, share a link, or embed in docs and wikis.
Key Benefits
- Proven structure that prevents data modeling errors
- Instant clarity on cardinalities, keys, and constraints
- Faster onboarding for engineers, analysts, and stakeholders
- Flexible foundation that scales to terms, programs, and sections
Pro Tips
- Use a composite PK on Enrollment (student_id, class_id) to prevent duplicates.
- Keep status values controlled (enrolled, withdrawn, completed) for clean reporting.
- Enforce unique email and course_code early to reduce downstream data fixes.
Start now
Create Your Own erd — fast and polished
Turn your school data model into a professional ER diagram in minutes. Edit, preview, and share instantly.
or upload your data file
- Free to start
- No sign-up required
- AI-powered
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