Google AI ModeSep 26, 2026
Many digital classroom management and monitoring platforms provide features that allow teachers to lock, freeze, or blank student screens during exams or instructional time . These features generally prevent students from navigating to unapproved tabs, opening other applications, or accessing unauthorized materials.[](https://classroom.cloud/testing-and-exams/)[[2](https://docs.goguardian.com/products/teacher/lock-screen)](https://docs.goguardian.com/products/teacher/lock-screen)[[3](https://www.youtube.com/watch?v=FB_ykh62kY4&t=521)](https://www.youtube.com/watch?v=FB_ykh62kY4&t=521)[[4](https://helpdesk.lanschool.com/portal/en/kb/articles/blanking-student-screens)]()