146 A. 24 Schuck v. School District of Baldwin Township et al. Supreme Court of Pennsylvania.March 21, 1929. April 15, 1929. School law — School contracts — Lowest bidder — Discretion of directors — Who are responsible bidders — Acts of May 18, 1911, P. L. 309, and July 10, 1919, P. L. 889. 1. […]