I will assess "frequent" by using a heuristic: if the topic is substantially discussed (not just in passing) at least once during more than three (>3) debates, all debates combined (GOP and/or DNC primaries and/or general election debates).
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Was discussed substantially regarding HBCUs in the first debate, but I think the next debate being down to under 60% likelihood means this should still degrade somewhat.
+1. Thatโs 2/4.
DeSantis talked about worthless degrees and ideology. They talked about antisemitism on campuses again.
I count the discussion of antisemitism on US campuses at the third GOP debate toward the resolution. That's one. As far as I can tell from the transcripts, it was not a substantial point of discussion in either of the first two debates. Correct me if I'm wrong.