I made carrot muffins ( a small batch) on sunday.. So he ate a muffin, berries, a glass of milk at 6:30. Lunch I packed a tortilla wrap with egg, cheese and veggies with an apple ( he asked me to pack a snack as well for lunch).. after second period he had a small snack .. Our dinner is around 7pm , so he had snacks after he came home...

Peanut butter and apple or banana
Oatmeal or cereal with almonds/berries.
Avocado toast