I did Latin, French and german at school.
I speak German anyway but it was amazing that the girls who did not speak it at home got a better mark than I did as my grammar was very poor due to being in a household where German was spoken often, but also while trying to learn English.
I have tried since to learn Japanese, as used to go to Japan on business, and also Italian.
I gave up on both -Japanese in particular, I found very difficult.
Even my German is not of much use anymore even in Germany.