Section 37681 Of Article 2. Concept 6 Class Scheduling From California Education Code >> Division 3. >> Title 2. >> Part 22. >> Chapter 5.5. >> Article 2.

. (a) Commencing with the 2004-05 school year, a school district may not operate a Concept 6 program, unless the school district operated a Concept 6 program continuously since the 2003-04 school year.
  (b) A school initially operating on or after July 1, 2004, may not operate a Concept 6 program if operation of the program would increase the number of schools in the district operating a Concept 6 program above the number in operation in the district, on average, over the preceding two school years.