22 Pa. Code § 11.16
The board of school directors of a school district may, upon parental request and when recommended by a public school psychologist and approved by the district superintendent of schools, admit as a beginner a child with a chronological age of 5 years and who has demonstrated readiness for entry as of the first day of the district's school term. A board of school directors is not required to admit a child as a beginner whose chronological age is less than the district's established admission age for beginners.
22 Pa. Code § 11.16
The provisions of this §11.16 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).