I'm an American, but I went to school in three states between the 80's and early 90s, as my parents moved a lot. As a result, school lunches were very different, wherever I went.

Elementary/primary school: Usually something like a bowl of chili con carne with half a peanut butter sandwich (yes, this was before allergies were more commonly advocated), carrot sticks, and milk; spaghetti with meat sauce, green beans, and a cinnamon roll. Sometimes tacos with corn and fruit. Fridays in most of these schools was pizza day, and the pizza was shaped like a rectangle/oblong. The Friday before Thanksgiving or Christmas would be sliced processed turkey, gravy, stuffing, and a spoon of cranberries or apple pie.

Middle school/Junior high (grades 6-8): Add to the above the option to get salad bar. It was standard salad bar stuff, lettuce tomatoes, carrots, green peppers, olives, variety of dressings, crackers, bacon bits, etc.

I went to four high schools.

1st High school- It was part of the same school that had the salad bar, so that didn't change. We moved after that school term.

2nd High school- A large high school in a city of about 75,000. One line was the stuff in the elementary school listing above, with the option of buying extra servings. The other line was "a la carte" and you could buy anything you wanted that they had: burgers, fries, burritos (reheated frozen ones), chicken fingers, pizza slices, small cakes, ice cream cups or bars, fruit, milk, water, soda.

3rd high school: The school was in a rural community, and had Kindergarten-12th grade under one roof, less than 700 students. One line, just the stuff like the elementary stuff above. I was only there until we moved out of state, like 2 months.

4th high school: Another mid-sized city. One line was the elementary stuff, the other line was the sandwich line. Sandwich line always gave you two choices, like ham/cheese, corndog, peanut butter and jelly, burger, etc. Most folks went through the sandwich line, as it was quickest.

I still live in the city I went to the 4th high school in. My kids have gone to school here their entire lives. What makes me mad is that as soon as I graduated, they renovated the cafeterias in the middle and high schools here for four lines, including one for hot/cold sub sandwiches, one for the elementary school-style hot plates, one for burgers, and one for "ethnic" food (usually mexican style or pizza). A lot more fresh vegetables and fruits are available to them, too.