The Study Island GLCE Mastery program is designed specifically to help students practice, review, and master the skills outlined in the Michigan Curriculum Framework for Mathematics (grades K-8). Teachers can direct students or allow them to choose online activities by GLCE or Standard in order to gain additional practice in classroom subject matter at their own pace and proficiency level. To access Study Island click on the above link. For the Study Island User Manual, log into Study Island and click on help in the top right of the screen.