Allegheny Valley School District superintendent proposes keeping mask requirement Paul Guggenheimer Sunday, Aug. 15, 2021 6:01 a.m. | Sunday, Aug. 15, 2021 6:01 a.m. Go Ad-Free Today! Tom Yerace | For the Tribune-Review Allegheny Valley School District Superintendent Pat Graczyk, left, and school board President Larry Pollick at a school board meeting in 2020. Share this post: Facebook Twitter LinkedIn Reddit Email