Okla. Stat. tit. 70, § 5-148
Each district board of education shall ensure that a minimum of one lockdown drill is conducted at each public school within the district each school year. Additional drills may be conducted at the discretion of the district. Lockdown drills shall be conducted for the purpose of securing school buildings to prevent or mitigate injuries or deaths that may result from a threat on or near the school. The drills shall conform to the written plans and procedures adopted by the district as required by Section 681 of Title 63 of the Oklahoma Statutes. All students and employees shall participate in the drills, with the extent of student involvement to be determined by the district.
The State Board of Education shall adopt rules to implement the provisions of this section.
Laws 2007, SB 103, c. 127, § 1, emerg. eff. July 1, 2007.