“Do rebbeim and mechanchim have to get a college degree?”
What is your point here? Is a degree for parnassa, or is it for general knowledge or to relate to students (like a degree in education or child psych) or …?
“Please list some Yeshivish job options (little to no college, short hours, tznius environment) “
Back to my first question. What is the tachlis? Parnasa or to enhance teaching? In either case it depends on the need of the situation. That you will have to evaluate with your Rebbe and family.