Latin is fine, albeit somewhat impractical. You won’t ever be expected to verbally fluent in Latin, so it is an appropriate option for someone who doesn’t have confidence in their speaking ability with a new language. It should help you acquire new English vocabulary, since many of our morphological roots come from Latin. Back when the old SATs were basically a souped-up vocab test, studying Latin was a true boost for scores. In the current version, not so much.
On the other hand, all other languages offer an opportunity to learn about a new culture, and to interact with people that might have a different perspective on life. Latin is basically a dead language. That makes it an odd foreign language option in today’s world.
Put it this way, supposed in a college interview, someone said to you – why did you switch from Spanish to Latin? Can you think of a cogent response? I can imagine, for someone whose ultimate goal is linguistics, classical studies, religious studies, or romance languages, Latin may be a reasonable addition to language competencies. Also for someone pre-med, or going into botany, perhaps the Latin derivation of many technical words would confer an advantage.
But for you, will you have an answer? If not, take French, Italian (if offered), or even German.