We used to have that when I was in school for catechism classes.
Out here in Mesa, AZ the Mormons would, and do, buy a property just across the street from, or next to, the school and build a religious learning center on it.
Parents shouldn’t need permission from a school to take their children somewhere else.
We had Religious Instruction in our NY school in the ‘50s and ‘60s, every Friday.
Church buses would pick up kids and school, take them to church for class, and then return them to school.
Yup. Off to get rapped on the knuckles with a ruler by Sister Veronica. Help!