The state board for community and technical colleges and the state board of education are hereby authorized to permit, on an ad hoc basis, the common school districts to conduct pursuant to RCW
28B.50.530 a program in adult education in behalf of a college district when such program will not conflict with existing programs of the same nature and in the same geographical area conducted by the college districts: PROVIDED, That federal programs for adult education shall be administered by the state board for community and technical colleges, which agency is hereby declared to be the state educational agency primarily responsible for supervision of adult education in the public schools as defined by *RCW
28B.50.020.