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Ontario Secondary School Literacy Test (OSSLT)

"The Ontario Secondary School Literacy Test (OSSLT) measures whether or not students are meeting the minimum standard for literacy across all subjects up to the end of Grade 9. Successful completion of the literacy test is one of the requirements to earn an Ontario Secondary School Diploma."
-Education Quality and Accountability Office 

The OSSLT is a standardized test that Grade 10 students across Ontario write towards the end of the school year (often toward the end of March or the beginning of April). The test is entirely based off of The Ontario Curriculum, and is meant to test the reading and writing skills that students have learned throughout their education (up to the end of grade 9). Passing the test is one of the requirements for graduation.

For more information about the OSSLT, you can visit the official OSSLT website . The website also has sample test questions, tips for writing the test, commonly asked questions, and guides for parents and students. 

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