What do you think you improved upon in PE since the beginning of school year?

this is an opinion question so you could honestly say what you want. It shouldn't be marked wrong.

Example "I noticed that compared to the beginning of the year my endurance has gotten much better, I can last longer doing exercises that before I struggled to consistently complete. "

could be any response like that.

I can run a mile without stopping.

No it would not be discrimination but it can be counted as discrimination it depends on how the person who is doing gonna hire goes about the situation but no it is not counted as discrimination if they refuse to not take the drug test