S1 means Semester One. S2 means Semester Two.
TNReady means state-tested. TNReady courses – This applies to Chemistry, Biology, US History/Geography, Integrated Math 1, 2 or 3, and English 1, 2 or 3. The TN Department of Education determines the specific dates for the tests to be administered. You will take the state test at your zoned school. Read below for more information about how this will affect you if you are enrolled in one of these tested courses.