Keystones

The Keystone Exams are end-of-course assessments designed to assess proficiency in three subjects: Algebra I, Literature and Biology. The Keystone Exams are one component of Pennsylvania’s system of high school graduation requirements.

Below you will find resources to aid with studying for the Keystone Exams.

Algebra

• Algebra 1 Keystone Exam (PDESAS) (click on Mathematics)

Literature

• Literature Keystone Exam (PDESAS) (click on English Language Arts)

Biology

• Biology Keystone Exam (PDESAS) (click on Science)
• EHS Bio Keystone Review Packet
• Biology Keystone Review Packet NPH
• Bio Keystone Crash Course Video List
• Bio Keystone Anchors and Vocabulary Guide