HS had more options, but they weren't great.
We had a salad bar, but it was the most expensive option, and it didn't have any real options. iceburg lettuce, croutons, cheese, and I think two dressings. I don't remember anyone routinely going to this option. it was like 12 bucks when everything else maxxed out around 8. and for 12 bucks it was small. and if you had the last lunch period, your salad had been sitting out for 2 or 3 hours before you got to it.
you had the prepackaged "fast food-esque" option that always had the longest lines. burgers, dogs, chicken sandwiches, fries, the cardboard pizzas, mcribs, etc. This was the cheapest option. and it was the only option that wouldn't run out of food. so for the last lunch period this was usually the only "entre" you could get.
then you had the "teachers line". this was probably the closest to your meat and veggies. issue was the line was incredibly slow, and teachers could cut this one line, so they did. it was second most expensive options, and you would spend most of lunch waiting. two veggies alone was 6 bucks and that was more than the "fast food" sandwich of the day. sometimes they did pasta, but that would take even longer.
then there was the colloquially named "gravy" option. we always joked it was the leftovers from last week's "teachers line" but served in gravy. some of it was darn tasty, but you would get weird combos. like you would get spaghetti noodles served in a brown gravy with steak tips. they also loved serving meat on a bed of rice with a marinara sauce.
before HS, we only ever had one option. it was the pre selected fast-food esque entre, then those packaged fruit cups, and then some random veggie. I think you got to choose between two there. but you couldn't substitute.