System Downtime Schedule

System Downtime Schedule

Stay informed about upcoming system downtimes.

Downtime & Maintenance Schedule

From To Impacted Systems Type



System Downtime

Various systems will be unavailable for scheduled system downtime. Systems will go offline at 5 p.m. the evening prior to a scheduled downtime day and will resume at 8 a.m. the day following a scheduled downtime day.

Maintenance Window

Maintenance days are placeholders for regular weekend maintenance that will be used only if needed.


Abbreviation System
CERS California Educator Reporting System
TDS/TA Interface Test Delivery System/Test Administrator Interface
TOMS Test Operations Management System