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Data Pipeline Snapshots - Student End of Year


The purpose of the Student End of Year (SEY) snapshot is to collect enrollment and outcome information for students during a school year. This includes demographic information and student’s entry and exit from public schools within a district. The data from this collection is used to derive the graduation, dropout, mobility, and stability rates.

The SEY collection includes all students in grades PK-12 who were counted in membership in a Local Education Agency (LEA) at any point during the school year. This collection takes place in three phases from May through December with the primary data phase occurring between May and September.


The 2023-2024 Student End of Year collection opens on May 2, 2024 and closes December 3, 2024.

2023-2024 Collection Timeline and Training Dates (PDF) (6/12/2024)

 File Layout and Definitions

Business Rules 



Collection Manual

SEY Collection Manual (PDF)

  • Section 1: Overview and Phases
    • Includes detailed information regarding each source interchange data file, addressing errors and warnings, and reporting exceptions.
  • Section 2: Data Pipeline
    • Includes step-by-step directions for using each portion of data pipeline needed to complete the SEY collection.
  • Section 3: CEDAR/COGNOS Basics
  • Section 4: Syncplicity and Personally Identifiable Information 
    • Includes directions for using Syncplicity.
  • Section 5: Common Coding Patterns
    • Postsecondary Programs
    • Special Education Transition
    • Facility School Students
    • Expelled Students
    • BOCES Schools and BOCES Programs
    • Non-School Programs
    • Part-Time Home-Based Education
    • Grade Reassignment
    • Summer Dropout
  • Section 6: Frequently Asked Questions

2023-2024 SEY Training Schedule (PDF) 
Use the registration links below to register for a training event. Registration is open until the start of the event.

Training Events

Office Hours

SEY Office Hours are offered monthly to address Frequently Asked Questions, collection updates, and collection pertinent information throughout the SEY collection.

  • May ♦ 5/14/2024 ♦ RecordingSlides 
    • Collaborating with Program Staff
    • FRL Business Rules
    • BOCES Schools vs BOCES Programs (contract scenarios)
    • Capturing Enrollment Status Changes
    • Investigating Errors with the report SASID Lookup: SEY and OCT (prior, current, subsequent year)
  • June ♦ 6/12/2024 ♦ Recording ♦ Slides 
    • Monitoring Potential Summer Graduates/Completers
    • Retention Codes
    • Grade Reassignment (SE113/SE242, SE117/SE243)
    • School Level Errors (SE052, SE054, SE181, SE182, SE183)
    • Mid-Year EL Changes
  • July ♦ 7/17/2024 ♦ RecordingSlides 
    • General Reminders
    • Exception Request Reminders
    • Adequate Documentation of Transfer
    • Expelled Students
    • SE301 Graduation Guidelines Errors
  • August ♦ 8/14/2024, 2:30-3:30pm Registration Link
    • Focus: Reviewing Reports and Data Validation
  • September ♦ 9/18/2024, 2:30-3:30pm Registration Link
    • Focus: Cross LEA Phase
  • October ♦ 10/23/2024, 2:30-3:30pm Registration Link
    • Focus: Post-Cross LEA Phase
  • November ♦ 11/13/2024, 2:30-3:30pm Registration Link
    • Focus: Final Dates and Data Release

Student End of Year Data Collection Phases

Regular Phase

The Regular Phase is the primary data collection and clean-up phase for the Student End of Year (SEY) snapshot. During the regular phase, districts must upload the Student Demographic, Student School Association, and the Graduation Guidelines files for the Student End of Year Snapshot. Please see the Student Interchange page for more file layouts and additional information.

Cross LEA Phase

The Cross LEA phase is the first of two post-collection phases. During this phase, an initial process is run to validate if a student previously enrolled in a district has been recovered by another Colorado school district or completed a High School Equivalency Diploma (HSED) after exiting the prior district. Districts then address SE700 level warnings/errors to clean up data discrepancies.

Post-Cross LEA Phase

The Post-Cross LEA phase is the second post-collection phase. During this phase districts complete a final validation of student data. SE900 level warnings/errors are addressed to ensure data accuracy.

Adjustment File

The Adjustment File is typically loaded to address Cross LEA errors, but can be loaded anytime in the collection. It is used to provide additional information about students who were previously enrolled in a district and did not enroll in the current school years. Adjustment codes should only be used for 7th-12th grade students for whom the district has received notification that a student previously reported as not exiting, dropout, expulsion, or HSED transfer during a previous reporting period completed their education through another education agency.

Adequate Documentation of Transfer

Districts are required to have adequate documentation of transfer when coding students as transferring out of their district to avoid incorrectly coding students as dropouts. During the Post-Cross LEA phase, SE903 errors require districts to submit adequate documentation for students who are reported as transferring out of district who were not subsequently reported in another district. Please see the Adequate Documentation website for more information and templates.

Additional Resources

 Rate and Report Information

The End of Year collection provides the data used to calculate graduation, completion, dropout and mobility rates for districts on our Educational Statistics page. This information is published online in January the following year in compliance with state and federal law. Districts have access to advanced reports that provide tentative calculations through the COGNOS system in Data Pipeline.