

The Cornerstone School Information
Summary
The Cornerstone School is a private company. The company currently specializes in the Primary/Secondary Education area. Its headquarters is located at Stratham, New Hampshire, USA. The number of employees ranges from 25 to 100. The annual revenue of The Cornerstone School varies between 5.0M and 25M. To connect with The Cornerstone School employee register on SignalHire.
Organization Website | cornerstoneschool.org |
Phone Number | 603-772-4349 |
Industries | |
Headquarters Location | 146 High St, Stratham, NH, 03885 US |
Employees Size | 10-50 employees |
SIC Code | 8200 |
DMA Code | Greater Boston |
Founded | 1985 |
Estimated Annual Revenue | $5.0M - 25M |
Operating Status | Independent Company |
Employees Turnover 4 quarter 2025
Length of Employment
Employee tenure at The Cornerstone School shows a diverse range of experience levels:
8% for 1–2 years8% for 3–4 years8% for 5–7 years13% for 8–10 years63% have over 11 years of service at The Cornerstone SchoolSimilar Companies
FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.




