CORE DATA / MOSIS LISTSERV NOTIFICATIONS
2025-26 COLLECTIONS
- Early June Student Core, Enrollment and Attendance trial open -- 03/10/2026
- Early June Student Course Completion trial open -- 03/10/2026
- EOC/MAP GLA spring precode (2nd window) open -- 03/02/2026
- EOC/MAP GLA spring precode (1st window) open -- 02/09/2026
- February Cycle open -- 01/20/2026
- December Discipline collection open -- 11/24/2025
- December Cycle open -- 11/17/2025
- EOC Fall Assessment precode (2nd window) open -- 10/22/2025
- WIDA ACCESS precode open -- 09/24/2025
- EOC Fall Assessment precode (1st Window) open -- 09/22/2025
- October Cycle open -- 09/16/2025
- August Cycle open -- 07/24/2025
DOCUMENTATION
- Updated 2025-26 Core Data/MOSIS Manual -- 03/06/2026
- Updated MOSIS Contact List -- 02/03/2026
- Updated February Cycle reporting presentation -- 01/09/2026
- Posted 2025-26 File Layouts -- 07/15/2025
- Posted 2025-26 Code Sets -- 07/15/2025
- Updated June Cycle FAQ document -- 06/25/2025
- Updated Timelines with 2025-26 precode dates -- 06/17/2025
- Posted June Assessment ID Cleanup Instructions -- 06/17/2025
WEBINARS
- 2026 Core Data/MOSIS Fall Webinar -- 09/16/2025
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