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Flat River Academy (K-12) (formerly Grattan Academy)

9481 Jordan Road
Greenville, MI 48838

Phone: (616) 754-9360
Fax: (616) 754-9363
Administrator: Hilary Karnatz
Enrollment:  108
Date Opened: September 1996
ISD: Montcalm ISD
County: Montcalm

Flat River Academy/SVSU Terms & Conditions - Exp 6/30/25 (276KB)

Academy Website:


"Flat River Academy will engage learners in a comprehensive education using an innovative, project-based curriculum designed to inspire and prepare them to be college and career ready."

Contact Us
(989) 964-4623(989) 964-4623
(989) 964-4636


Gilbertson Hall GN-135


M-F 8:00 am - 4:30 pm