RSU 21

Regional School Unit 21 (RSU 21) is a traditional, open public school district headquartered at 177 Alewive Road in Kennebunk, Maine. Nestled in a small suburban setting within the greater Portland-South Portland metropolitan area, the district operates six active schools providing a complete Pre-Kindergarten through 12th-grade education. Serving a total enrollment of 2,262 students across its early childhood, primary, and secondary programs, RSU 21 offers a vibrant educational community designed to meet diverse academic and developmental milestones at every grade level.

The district’s commitment to academic quality and student growth is supported by an expansive professional team of over 1,013 full-time equivalent (FTE) staff members. This includes a robust instructional core of approximately 403 FTE classroom teachers and 108 FTE instructional aides, complemented by more than 503 FTE support staff members who oversee specialized services, administration, and campus operations. With a strong student-to-educator framework and comprehensive operational scale, RSU 21 stands as a well-resourced suburban school system; families and researchers can explore more about district initiatives and programs by visiting their website at www.rsu21.net.