(2) Safe school plan. In order to provide a learning environment that is safe, conducive to the learning process, and free from unnecessary disruption, each school district board of education or institute charter school board for a charter school authorized by the charter school institute shall, following consultation with the school district accountability committee and school accountability committees, parents, teachers, administrators, students, student councils where available, and, where appropriate, the community at large, adopt and implement a safe school plan, or review and revise, as necessary in response to any relevant data collected by the school district, any existing plans or policies already in effect. In addition to the aforementioned parties, each school district board of education, in adopting and implementing its safe school plan, may consult with victims' advocacy organizations, school psychologists, local law enforcement, and community partners. The plan, at a minimum, must include the following:

• (a) Conduct and discipline code. (I) A concisely written conduct and discipline code that shall be enforced uniformly, fairly, and consistently for all students. Copies of the code shall be provided to each student upon enrollment at the preschool, elementary, middle, and high school levels and shall be posted or kept on file at each public school in the school district. The school district shall take reasonable measures to ensure that each student of each public school in the school district is familiar with the code. The code shall include, but need not be limited to: …

• (I) A written policy concerning searches on school grounds, including searches of student lockers …