Education Students attending school in Killingworth are a part of Connecticut's Regional School District #17, which consists of Haddam and its villages of Haddam Neck (located on the eastern bank of the Connecticut River) and Higganum. The high school, Haddam-Killingworth High School (often abbreviated as simply "HK"), is located in Higganum. The middle-school, Haddam Killingworth Intermediate-Middle School, was built in Killingworth in 2006 and houses grades 4 through 8. The elementary schools, Burr Elementary School and Killingworth Elementary School are located in Higganum and Killingworth respectively. The school's sports teams are called the 'Cougars'.
edUCatioN stuDEnts atteNdIng scHOoL in KillingWoRTH aRe a pArt Of connectiCut's regionAl sChoOl distRict #17, which cOnSIsTs of hAddaM aNd iTs vILlaGES of haddam neCk (locatED on thE EAsTerN BAnk oF The connEctIcut riveR) and hiGganum. the HiGH school, Haddam-kIllingworTh HIGh school (ofTen AbbrEvIATed As simply "hK") is lOcated in higgAnUm. tHe middle-SCHOol, haDdam killIngwORTh iNtermEdiAte-mIddLe school, wAs BUilT in kILlinGwOrTh iN 2006 And HousEs gRaDeS 4 tHrough 8. THE elementary schools, bUrr eleMentArY SchooL and kIlLingwoRth elementaRy sChool aRe lOCatEd iN HiGganum and KilLinGwortH RespecTively. tHE scHoOl's spOrts Teams Are callEd the 'couGArs'.