Contract: It is an agreement between the parties to establish, modify, and terminate civil relations. A contract established in accordance with the law is protected by law. The establishment of a contract must follow two principles: 1. the principle of legality; 2. the principle of equality and mutual benefit, consensus, and equal compensation.
The contract between the school and property owners around the school to purchase land at a price of 2500 yuan per square meter is part of a contract according to the above definition.