Update - We are continuing to monitor for any further issues.
Jan 09, 2026 - 17:36 EST
Jan 09, 2026 - 17:36 EST
Monitoring - Thank you for your patience. Action has been taken to resolve the issue. As a result, classes and content are once again loading as expected. We will continue to closely monitor performance on Ed.
Jan 09, 2026 - 12:45 EST
Jan 09, 2026 - 12:45 EST
Investigating - During the monitoring period we've observed some classes and content not displaying as expected. HMH engineers continue to investigate.
Jan 09, 2026 - 10:02 EST
Jan 09, 2026 - 10:02 EST
Monitoring - Classes and content on Ed are now displaying as expected. We are closely monitoring performance and will update this page again tomorrow. Thank you.
Jan 08, 2026 - 15:50 EST
Jan 08, 2026 - 15:50 EST
Investigating - We are currently investigating an issue where classes and some content are not displaying on Ed. We apologize for the inconvenience and will post another update as soon as more information is available.
Jan 08, 2026 - 14:52 EST
Jan 08, 2026 - 14:52 EST
About This Site
Welcome to the HMH Platform Status Center. We continually monitor the availability and performance of our products. Interruptions to service will be posted here. We are committed to providing you with transparent, specific, and timely information. Please bookmark this page or subscribe to receive notification of a service issue.
If you are having problems with an HMH platform and there are no active incidents posted here, please try clearing your cache. If the issue persists, contact HMH Technical Support.
HMH Ed
Operational
Login
Operational
Content and Resources
Operational
Assignments
Operational
Reporting
Operational
Rostering
Operational
ThinkCentral
Operational
Login
Operational
Content and Resources
Operational
Assignments
Operational
Reporting
Operational
Rostering
Operational
Holt McDougal Online
Operational
Login
Operational
Content and Resources
Operational
Assignments
Operational
Reporting
Operational
Rostering
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance