Cannon Valley Elder Collegium - Provides high quality academic experiences in the humanities for students over age fifty (retired or not). Making Waves Swim School - Water acclimation to stroke refinement swimming lessons for infant to 10+ year old girls and boys. Contacts, lesson descriptions, and facility information. Open Door Nursery School - Fostering children's unique talents through a variety of creative learning experiences. Licensed, accredited school for children ages 3-5. Arcadia Charter School - A project-based charter school. Individual learning plans and emphasis on use of technology. Site lists current happenings and links to resources. Northfield Middle School - NMS serves students grades 6-8. Northfield High School - Classroom web pages, sports and activities, administration information, guidance information, and media center. Northfield Area Learning Center - An alternative high school diploma program designed to meet the needs of students who, for a variety of reasons, are not successful in the traditional school setting. Students ages 16-21 attend. Greenvale Park Elementary - Greenvale serves 500 neighborhood students in grades K-5 . Longfellow Elementary School - Longfellow school serves children from birth through seven years old. Programs include Head Start, After School Unlimited, the Early Childhood Family Education Center, and the District's only Early Childhood Special Education (ECSE) Program. Bridgewater Elementary School - Bridgewater elementary is home to the district's Spanish immersion program, Companeros, and serves neighborhood students in grades K-5. Sibley Elementary School - Sibley serves 380 neighborhood students in grades K-5.