School District · Pennsylvania
Keystone School District
📍 Callensburg, PA · Clarion County · NCES LEAID 4212720
Kindergarten – 12th
Grade Span
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Kindergarten – 12th
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District Mailing Address
451 Huston Avenue, Knox, PA 16232
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NCES District ID (LEAID)
4212720
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District Type
Public School District
Zip Codes Served by Keystone School District5 zip codes
Frequently Asked Questions
What zip codes are in Keystone School District?▼
Keystone School District serves 5 zip codes: 16213, 16232, 16254, 16331, 16334. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Keystone School District rated?▼
Keystone School District has an overall rating of 8 out of 10 (Good), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 75th percentile among Pennsylvania school districts. Ratings are percentile-ranked within Pennsylvania only and are not comparable across states.
How many students attend Keystone School District?▼
The NCES Common Core of Data directory reports enrollment of 832 students across 2 schools for Keystone School District.
What grades does Keystone School District serve?▼
Keystone School District is listed in the NCES directory as serving grades Kindergarten – 12th.
How do I contact Keystone School District?▼
You can reach Keystone School District by phone at (814)797-5921 or by mail at 451 Huston Avenue, Knox, PA 16232. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Keystone School District
Keystone School District is a public school district serving 5 zip codes in Pennsylvania, primarily in Clarion County. It carries an overall rating of 8/10 (Good), the 75th percentile among Pennsylvania districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Pennsylvania districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (814)797-5921 before making a housing decision.