Library PES student Sydney K. researches koalas for a Library project. Contact Information Chairperson | Laura Wienand lwienand@northallegheny.org North Allegheny Senior High School Philosophy North Allegheny Libraries are essential for preparing all students for success in a changing world. Our libraries provide a unique, welcoming, supportive, interdisciplinary learning environment where students, staff, and school community are invited to read widely, think critically, create and share new ideas, and grow as dynamic, respectful, and digitally literate citizens.