Would you consider this sexist?

I live in the college dorm where girls are supposed to be there by 9 pm but guys are free to be out till 00:00

If i arrive later than 9 they call my parents in my hometown, give them a jump scare and ask if they should let me in. Im a freaking adult tho ugh.

Its true that our society is more dangerous for women but anyway. Not even my parents treat me this way. How can i stand up for myself if this is a rule?
Would you consider this sexist?
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