I found all of these approaches in Israel. For my nine year old, the local school provided a Hebrew speaking classroom with an hour or so of tutorial help every week. But most of the time he is trying to grasp what the teacher is saying and trying to learn with the others. He is not used to having teachers yell at him and the other children and he is often shocked at the constant fights that the boys have with little or no intervention from the staff. So, he is confronting cultural shocks and a language gulf - experiences similar to a Spanish speaking child in a classroom in the United States.
Notices come home on a regular basis written completely in Hebrew.
Sometimes I take the time to translate it, other times it seems like too much trouble. Sometimes I know what the words literally mean, but I don't know the practical application. When it seems important and we have no idea what the teacher is talking about in the notice, we ask a neighbor. This is also what Hispanic parents in the US probably do. This is a good reason for schools to try to provide translations of their notices if they want the parents to follow the instructions.