Okla. Stat. tit. 70, § 3-103
A quorum of the State Board of Education shall consist of four members. No business may be transacted at any meeting unless a quorum is present and every act of said Board shall be approved by a majority of the membership of said Board.
Laws 1971, HB 1155, c. 281, § 3-103, emerg. eff. July 2, 1971.