You can complete a full game (reach 5-star prestige) without game-breaking bugs in this version. Expect minor UI glitches and occasional performance drops with 200+ students. For the full Lets School experience, especially mods and recent QoL updates, buy the official release.
The recent updates for Let's School have focused on the following features and improvements: Lets School v1.3.5.1-P2P
Completing the final School Reform Upgrade provides the last available set of educational materials. You can complete a full game (reach 5-star