<p>all CLAS majors must take foreign language. This includes math.</p>
<p>the french courses you took in HS probably won’t fulfill the requirement, unless you took AP french. You can always try to place out of the requirement by taking the full placement exam, if you’re good enough at french.</p>
<p>math grad school requirements for foreign language vary. some places might require actual foreign language classes for admission, some might just accept that you placed out of them, some will just want you to satisfy their own language requirement when you get there.</p>