I think often we way over-weight environmental factors in this area. As individuals we have crazy amounts of agency to change things for ourselves. FWIW I barely dated in school, partly because I didn't care much for social interaction but also (maybe mostly) because I was quite clueless about romantic attraction. Since graduating and especially getting into my 30s, things have become so much easier.

Especially as a male, you can really change your situation by consistently choosing to invest in becoming a compelling partner.