Okla. Stat. tit. 70, § 18-107 (2026)
Definitions
As used in this title: 1. "Average Daily Attendance" (ADA) means the legal average number of pupils, early childhood education programs through grade twelve, in a school district during a school year as determined pursuant to the provisions of Section 18-111 of this title. A day of school for early childhood education programs and kindergarten shall be at least two and one-half (2 1/2) hours and, for early childhood education, may be six (6) hours. 2. "Average Daily Membership" (ADM) means the average number of pupils present and absent in a school district during a school year. Average Daily Membership shall be calculated by dividing the sum of
the pupil's total days present and total days absent by the number of days taught. a. A pupil who has been absent without excuse ten (10) consecutive days shall be taken off the roll beginning the eleventh day and thereafter shall not be considered in a district's average daily membership calculation until the pupil is placed on the roll in the district. For the purpose of this paragraph, consecutive days means days for which enrollment is recorded. b. A pupil enrolled in a statewide virtual charter school who is behind pace and has not completed instructional activity as defined by Section 3-145.8 of this title for a fifteen-school-day period, without excuse as authorized by Section 10-105 of this title, shall be taken off the roll beginning the sixteenth day and thereafter shall not be considered in the virtual charter school's Average Daily Membership calculation until the pupil is placed on the roll in the virtual charter school. 3. "Total Adjusted Assessed Valuation" means the sum of public service property assessed valuation, personal property assessed valuation and real property assessed valuation as adjusted pursuant to the provisions of Section 18-109.1 of this title. 4. "Eighty-five percent (85%) of maximum allowable", for the purpose of assessing class size penalty pursuant to Sections 18- 113.1 and 18-113.2 of this title, means eighty-five percent (85%) of ten percent (10%) of the preceding year's net assessed valuation of a school district. The calculation of indebtedness as provided for in paragraph a of subsection G of Section 18-113.1 and subparagraph a of paragraph 4 of subsection A of Section 18-113.2 of this title shall include the outstanding principal amount of bonds issued by the school district plus the principal amount of any bonds authorized by a vote of the people for issuance but not yet issued by the school district. Added by Laws 1971, c. 305, § 7, emerg. eff. June 17, 1971. Amended by Laws 1981, c. 347, § 14, eff. July 1, 1981; Laws 1983, c. 330, § 11, operative July 1, 1983; Laws 1992, c. 111, § 3, eff. July 1, 1992; Laws 1996, c. 215, § 1, eff. July 1, 1996; Laws 1998, c. 204, § 3, eff. July 1, 1998; Laws 2020, c. 27, § 4, eff. July 1, 2020.