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Student Enrollment

Purpose​

A Student Enrollment represents a Student's academic participation within a specific Academic Year.

A Student Enrollment serves as the bridge between:

  • Student
  • Academic Year
  • Class
  • Section

Academic placement, progression, promotion, and participation are managed through Student Enrollments.

Business Context​

A Student is a permanent School record.

Academic placement changes as the Student progresses through the School.

Examples:

Student:

  • Rahul Sharma

Enrollments:

  • 2025-2026 → Grade 5 → Section A
  • 2026-2027 → Grade 6 → Section B
  • 2027-2028 → Grade 7 → Section A

The Student remains the same.

The Enrollment changes every Academic Year.

Relationships​

Student Enrollment to Student​

  • Each Student Enrollment belongs to exactly one Student.
  • A Student may have multiple Student Enrollments.

Student Enrollment to Academic Year​

  • Each Student Enrollment belongs to exactly one Academic Year.
  • An Academic Year may contain many Student Enrollments.

Student Enrollment to Class​

  • Each Student Enrollment belongs to exactly one Class.
  • A Class may contain many Student Enrollments.

Student Enrollment to Section​

  • A Student Enrollment may be assigned to a Section.
  • A Section may contain many Student Enrollments.

Key Design Decisions​

Enrollment is Academic Year Specific​

Academic placement does not belong to the Student entity.

Academic placement belongs to Student Enrollment.

Examples:

  • Class
  • Section
  • Roll Number

These values may change every Academic Year.

Enrollment is Mandatory for Academic Participation​

A Student cannot participate academically without an Enrollment.

Examples:

  • Class Allocation
  • Attendance
  • Assessments
  • Academic Reporting

all require an active Enrollment.

One Enrollment per Student per Academic Year​

A Student may have only one Enrollment within an Academic Year.

Valid:

  • Rahul → 2025-2026 → Enrollment A
  • Rahul → 2026-2027 → Enrollment B

Invalid:

  • Rahul → 2025-2026 → Enrollment A
  • Rahul → 2025-2026 → Enrollment B

Promotion Creates a New Enrollment​

Promotion does not modify an existing Enrollment.

Instead:

  • Existing Enrollment is completed.
  • New Enrollment is created for the next Academic Year.

Example:

2025-2026

  • Grade 5
  • Section A

Promoted

2026-2027

  • Grade 6
  • Section B

The Student record remains unchanged.

Class and Section are Enrollment Scoped​

Class and Section assignments belong to the Enrollment.

They do not belong to the Student entity.

This supports:

  • Promotions
  • Reassignments
  • Historical Reporting
  • Academic History Tracking

Future Enrollment Planning​

An Enrollment may exist before Class and Section allocation.

Example:

  • Admission Approved
  • Academic Year Assigned
  • Class Allocation Pending

This supports admission season planning and staged onboarding.

Historical Academic Records​

Historical Enrollments must always be preserved.

Examples:

  • Previous Academic Years
  • Previous Classes
  • Previous Sections
  • Promotion History

Academic history should remain available throughout the Student lifecycle.

Attributes​

Identity​

  • EnrollmentId
  • StudentId
  • AcademicYearId

Academic Placement​

  • ClassId
  • SectionId
  • RollNumber

Status​

Possible values include:

  • Active
  • Completed
  • Transferred
  • Withdrawn
  • Archived

Dates​

  • EnrollmentDate
  • CompletionDate

Notes​

  • Notes

Audit​

  • CreatedAt
  • CreatedBy
  • UpdatedAt
  • UpdatedBy

Status Lifecycle​

Active​

Student is actively enrolled in the Academic Year.

Completed​

Academic Year has been completed successfully.

The Enrollment remains available for historical reporting.

Transferred​

Student has transferred to another School.

The Enrollment is closed.

Withdrawn​

Student has left the School before completing the Academic Year.

Archived​

Enrollment is retained for historical purposes and audit requirements.

Constraints​

Enrollment Uniqueness​

A Student may have only one Enrollment per Academic Year.

Roll Number Scope​

Roll Number must be unique within:

  • Academic Year
  • Class
  • Section

Valid:

  • Grade 6A → Roll 1
  • Grade 6B → Roll 1

Invalid:

  • Grade 6A → Roll 1
  • Grade 6A → Roll 1

Academic Ownership​

Class and Section assignments must be managed through Enrollment.

They must not be stored on the Student entity.

Administrative Ownership​

School Administrators may:

  • Create Enrollments
  • Promote Students
  • Transfer Students
  • Withdraw Students
  • Assign Classes
  • Assign Sections

Enrollment management is always scoped to the School.

Exclusions​

The following information does not belong directly to Student Enrollment:

  • Student Personal Information
  • Parent Information
  • User Accounts
  • Attendance Records
  • Fee Records
  • Assessment Records

These belong to their respective domain entities.

Future Considerations​

The following capabilities may be introduced later:

  • Automatic Promotion Rules
  • Batch Promotion
  • Enrollment Approval Workflows
  • Class Allocation Rules
  • Section Allocation Rules
  • Academic Term Support

These capabilities should not require redesign of the Enrollment model.

Summary​

Core decisions:

  • Student Enrollment is Academic-Year specific.
  • Students are permanent School records.
  • Academic placement belongs to Enrollment, not Student.
  • Enrollment is required for academic participation.
  • One Enrollment is allowed per Student per Academic Year.
  • Promotion creates a new Enrollment.
  • Class and Section assignments belong to Enrollment.
  • Future Enrollments may be created before Class allocation.
  • Historical Enrollments are preserved.
  • Enrollment is the bridge between Student, Academic Year, Class, and Section.