How much of an improvement should my students make?

Question

I have pre-tested my class and will be administering the post test in a few weeks. I am wondering, what is an acceptable increase in their scores?

Answer 1

Um im not sure. But if they score around 60s and below on the pretest and get upper 70s-100. Thats good. But  i am only a student. 11th grade. Like if a student gets a 47 on the pretest and gets a 70 or an 80 on the post. Thats pretty good. Again i am not a teacher.

Answer 2

How have you validated your tests both internally and externally?