22 Pa. Code § 11.1
Public prekindergartens, when offered, and kindergartens, elementary and secondary schools shall be kept open each school year for a minimum of 180 days of instruction for students. Days may not be counted as days taught on which the schools are closed, and time may not be counted as a student session for an activity to which admission is charged. However, when a meritorious educational program warrants, the Secretary may, upon request, approve a school term containing a minimum of 990 secondary or 900 elementary and 450 kindergarten hours of instruction as the equivalent of 180 school days. A Prekindergarten Program may be exempted from this requirement when approval as a meritorious prekindergarten is granted as provided in § 4.20(8) (relating to prekindergarten education).
22 Pa. Code § 11.1
The provisions of this §11.1 amended under section 1317(a) of The Administrative Code of 1929 (71 P. S. § 367(a)); and sections 1327, 1330, 1372, 1511 and 2603-B of The Public School Code of 1949 (24 P. S. §§ 13-1327, 13-1330, 13-1372, 15-1511 and 26-2603-B).