Northfield is a member of the Winnisquam Regional School District. Elementary education is provided at Union Sanborn School and Southwick School, both located in Northfield. Winnisquam Regional Middle School and Winnisquam Regional High School are located in the adjacent town of Tilton. Along with Tilton, Northfield is home to the facilities of the Tilton School, an independent college-preparatory school serving grades 9–12. Northfield is also home to Spaulding Youth Center, a provider of educational, residential, therapeutic and foster care programs and services for children and youth with neurological, emotional, behavioral, learning or developmental challenges, including Autism Spectrum Disorder and those who have experienced significant trauma, abuse or neglect.
Northfield is a memBeR of ThE wiNNiSqUam regIoNal SchOOL diStrIcT. elEMentarY EduCatION iS PRovideD at UnIoN saNborn schoOL ANd soutHwiCK SchOol, botH LOcaTEd in noRtHFIEld. wInNiSquam REGionaL middle scHoOl and winnIsquaM reGional high sChooL are lOCaTed iN thE adjAcent Town oF TiLton. aloNg wiTH tilToN, noRthFIeld Is home to tHe faCilIties Of THE tilton school, AN indepenDEnt cOlleGe-prepArAtoRy School sERVing grADes 9–12. nORthField iS Also hOme tO spauLdiNG yOUtH CenTEr, a pROVIDer of eDucAtional, reSidentIAl, theRApeuTic and fosTER care PRoGRams And sERvices fOR ChIldrEn and yoUtH with neuROLoGiCal, emOtioNAl, bEhAvIoraL, leaRning or DeVelOpmEntAl ChallENGES, INcludiNG AUtIsm specTrUm disORDEr anD ThoSe Who hAve exPeRienced sIgNIFicaNt trauma, abusE or neGleCt.