Editing Littleton, Massachusetts (section)

===Local private or parochial schools===
* Academy of Notre Dame:  co-educational Roman Catholic elementary school, K1 through 8th grade, in [[Tyngsborough, Massachusetts|Tyngsborough]], and an all-girls Roman Catholic preparatory school for grades 9–12 run by the [[Sisters of Notre Dame de Namur]]
* [[Applewild School]]: established in 1957, a private, independent co-educational day school for grades preschool – 8th grade located in [[Fitchburg, Massachusetts|Fitchburg]].
* [[Concord Academy]]: a private, co-educational, independent, college preparatory school for grades 9–12, located in [[Concord, Massachusetts|Concord]].
* Country Day School of the Holy Union:  coeducational Roman Catholic elementary school, Pre-K through 8th grade, in [[Groton, Massachusetts|Groton]] run by the [[Holy Union Sisters|Sisters of the Holy Union]].
* [[The Fenn School]]: an all-boys private school in Concord, serving grades 4–9.
* [[Groton School]]: a private, Episcopal, college preparatory boarding school for grades 9–12 located in Groton.
* [[Lawrence Academy at Groton]]: a private, co-educational preparatory school for grades 9–12 located in Groton.
* [[Middlesex School]]: a private, independent preparatory school for grades 9–12 located in Concord.
* Nashoba Brooks School: an independent co-educational school for Pre-K (age 3) through 3rd grade and all-female from grade 4th through 8th grade.
* Oak Meadow School: a private, independent Montessori school serving Pre-K (18 months through 8th grade) is the only private school located within Littleton.