Which is the best revision of this sentence?
Why students are continuing to struggle for success in higher level math classes
Why students are continuing to struggle for success in higher level math
classes.
Why students are continuing to struggle for success in higher level math
Classes when teachers are trying their best.
Why students are continuing to struggle for success defined minimally as
passing the class with the lowest average possible
Why students are continuing to struggle for success in higher level math
classes is something education researchers are curently saying