It means: How are my classes?
to study for my classes
My classes are fun.
Para mis clases.
"Estos son mis" translates to "these are my" in English.
Translation: How are your classes? Possible reply: Mis clases estan muy bien = My classes are very good.
Pasé todos mis clases.
It can variously mean, "my chores," "my duties," "my things to do."
"Mis nombres" means "my names" in English.
"mis tres amores" translates to "my three loves" in English.
"Mis papis y abuelita" translates to "my parents and grandmother" in English.
This means "all my friends".
Mis comidas favoritas (not favoritos) means my favorite meals, or my favorite foods.