I loved the school that came in Aurora Skies, so I made a similar comm lot for sims 2. It's very basic and has no CC, but you'll need all EPs and M&G. The indoors is pretty bare to keep it light, so enjoy decorating and cluttering up. :)
Aurora Skies School (Sims 3)
Sims 2 version. As close as I could, but roofs didn't work with me and the lot is 5x5 (ts2) while the original is 64x64 (ts3), so I had to comprise a bit. Also, I personally didn't like how the center of the "plaza" was turning out, so it was changed. (feel free to modified anything in the plaza or anywhere, jic)