415 A.2d 96 Robert G. Scanlon, Acting Secretary of Education and Edward G. Biester, Jr., Acting Attorney General, Petitioners v. Mount Union Area Board of School Directors, Respondent. Commonwealth Court of Pennsylvania.Argued March 11, 1980 April 29, 1980. Schools — Instructional days — Public School Code of 1949, Act 1949, March 10, P.L. 30 — […]