The invention discloses an establishment system for a school local area network. The system comprises a client and a server. A client data base is a mysql database. A REST service framework is employed in the server. The server is connected with a user management module, an assembly management module, a template management module, a website design module and a content management module. The user management module provides registration, login, logout, information maintenance and cipher management for a user. The template management module provides file management service. The assembly management module comprises addition or modification of an assembly. The website design module comprises a user design unit. The content management module comprises addition or modification of a video and a picture. According to the system, the establishment complexity of a school website can be effectively reduced, the school website can be established conveniently and concisely, and the establishment cost of the school website can be effectively reduced.