First, since he can be a monitor, it shows that he will cherish his "political future". Even if you don't give him your file, you bite back and say that he is biased against you and deliberately lost your file, which is enough for him, from serious demerits to expulsion from school.

Second, as long as you don't have a hukou, extra care and other care, even if the school examines the qualifications of freshmen, it won't affect you;

Third, only the relevant leaders of the academic affairs office and the student affairs office are qualified to check the student files, and counselors generally do not read them;

Fourth, you can go to the archives and ask if your file is there. They will tell you.

Fifth, you can also ask the counselor directly. Why are you worried here?