Dear Hooksett Families, The online registration portal for incoming Kindergarten students for the 2026-2027 school year at Underhill School is now open! Please visit https://hooksett.sau15.net/upcoming-school-year/ to register your incoming kindergarten student. Students must be Hooksett residents and be 5 years old on or before September 30, 2026. Students will not be able to start school […]