Contact Us

Hillgrove High School Naval Junior Reserve Officer Training Corps


Senior Naval Science Instructor

LCDR Ronald A. Hojnowski

Commander Hojnowski is the Senior Naval Science Instructor (SNSI).  He directs the overall operation of the Navy JROTC Program at Hillgrove High School. 


Contact information:
(678) 331-3961 Ext: 269


Naval Science Instructor

CPO Allen W. Harris
Chief Harris is the Naval Science Instructor (NSI). He supports and works closely with the SNSI with the overall operation of the Navy JROTC Program at Hillgrove High School. 

Contact information:
(678) 331-3961 Ext: 270





Hillgrove High School
4165 Luther Ward Road, Powder Springs 30127
Phone: 678-331-3961 | FAX: 678-331-8128

Principal - Christian Suttle
christian.suttle@cobbk12.org