On average, the working hours of a teaching assistant are about 6-8 hours per day. This can also vary if you choose to participate in before and after school programs the schools run. You also get to choose how many days you work in this type of work, so you don’t necessarily need to work all 5 days of the week.
It’s common for a lot of teaching assistant’s hours to be in line with the school day, which provides a flexibility for work life balance.