Gakkou o Tsukurou!! Happy Days: Is the first game in the series to be released in the Playstation 2 console. This simulation titles makes you the principal of a school, placing you in charge of management and renovating the school grounds. You get to decide everything, including the creation of your campus and even the rules of your school. Communication with your students is also important to building a strong environment.

The Gakkou o Tsukurou series places the player in the principal of a school, placing him in charge of management and renovating the school grounds. The player decides everything: The place and the new buildings, the professors, the new places of the school, etc.

The game features 6 different kind of school principals to choose one at the beginning of the game.