(animal husbandry) to mount (as in animal copulation) / (rare, engineering) to mount (as in a piece of equipment)

(idiomatic) to get carried away, to become overexcited

boarding the wrong vehicle; misboarding

to board the wrong vehicle; to misboard

academy or non-university college (a post-secondary school not legally considered a university)

(education) high school, senior high school

vocational school

boarding school

public school, state school

academy (specialized school), vocational school