Understanding Lexiles! Our students need to read at a 675 lexile to be ready to pass End of Grade Test. They need to be reading, and passing tests on, books at or above this level to be able to pass. In order to get there, students must continually read at a higher level. We get their levels on their STAR tests that they take each month. They take these in second grade, also, but third grade uses them for important monthly data to track your child's progress due to their high correlation to the End of Grade Test.