Skip to Main Content

2022 Best Private K-12 Schools in America

Best schools
  • Most diverse
  • Best teachers
  • College prep
  • Largest
  • Niche standout schools
  • Best schools
  • Most diverse
  • Best teachers
  • College prep
  • Largest
  • Best for STEM
  • Niche standout schools
  • Best for the arts
  • Best for athletes
  • Best districts

1 through 25 of 22,498 results

22,498 results

  1. #1 Best Private K-12 Schools in America.

    St. Mark's School of Texas

    Private School,

    DALLAS, TX,

    1-12,

    74 Niche users give it an average review of 4.7 stars.

    Featured Review: Parent says I have friends who are attending various private and public schools in the Dallas-Fort Worth area from grades 5 on through 12. In sitting down with the other dads it is undoubtedly true that no...Not only did the school literally review replace hundreds of things across the campus, they’ve also implemented a fantastic screening program, testing program, and communications program for...I know that when selecting schools grades, scores and college admissions are the number one priority. I never thought I would pick a school based upon their ability to handle a medical global...The school has literally blown us away! We are thankful that our son is there and hope that other schools can use them as a benchmark going into the winter of the pandemic..

    Read 74 reviews.

    Overall Niche Grade: A+,

    Students: 863,

    Student-Teacher Ratio: 9 to 1,

    View nearby homes
  2. #2 Best Private K-12 Schools in America.

    Trinity School

    Private School,

    NEW YORK, NY,

    K-12,

    74 Niche users give it an average review of 4 stars.

    Featured Review: Junior says My overall school experience has been very positive! The teachers(with 1 or 2 exceptions) and academics have been outstanding so far, and it seems like I can do whatever I put my mind to here. There....

    Read 74 reviews.

    Overall Niche Grade: A+,

    Students: 1,001,

    Student-Teacher Ratio: 6 to 1,

    View nearby homes
  3. #3 Best Private K-12 Schools in America.

    The Nueva School

    Blue checkmark.

    Private School,

    HILLSBOROUGH, CA,

    PK, K-12,

    60 Niche users give it an average review of 4.6 stars.

    Featured Review: Sophomore says Nueva is an amazing school! There are so many opportunities all just waiting for anyone who is motivated. There is a 230+ page course catalog and a wide range of extracurriculars to take your....

    Read 60 reviews.

    Overall Niche Grade: A+,

    Students: 967,

    Student-Teacher Ratio: 6 to 1,

    View nearby homes
  4. #4 Best Private K-12 Schools in America.

    The Brearley School

    Blue checkmark.

    Private School,

    NEW YORK, NY,

    K-12,

    76 Niche users give it an average review of 4.2 stars.

    Featured Review: Parent says Brearley is a top notch, wonderful school! My 8-year-old daughter is thriving, happy and growing leaps and bounds every year. The Brearley community is warm, down to earth and diverse. The....

    Read 76 reviews.

    Overall Niche Grade: A+,

    Students: 768,

    Student-Teacher Ratio: 6 to 1,

    View nearby homes
  5. #5 Best Private K-12 Schools in America.

    Riverdale Country School

    Blue checkmark.

    Private School,

    BRONX, NY,

    PK, K-12,

    62 Niche users give it an average review of 4.4 stars.

    Featured Review: Alum says Riverdale is a great school, with a very welcoming community. Teachers are very friendly and can be very casual with students but still have the professionalism to lead classes well. Strong college....

    Read 62 reviews.

    Overall Niche Grade: A+,

    Students: 1,219,

    Student-Teacher Ratio: 6 to 1,

    View nearby homesVirtual tour
  6. #6 Best Private K-12 Schools in America.

    Horace Mann School

    Blue checkmark.

    Private School,

    BRONX, NY,

    K-12,

    145 Niche users give it an average review of 4.3 stars.

    Featured Review: Alum says Horace Mann has developed to be more diverse, inclusive staff wise in recent years which makes the school experience much better. After recently graduating, I feel that HM has prepared me for the....

    Read 145 reviews.

    Overall Niche Grade: A+,

    Students: 1,694,

    Student-Teacher Ratio: 8 to 1,

    View nearby homesVirtual tour
  7. #7 Best Private K-12 Schools in America.

    Collegiate School

    Blue checkmark.

    Private School,

    NEW YORK, NY,

    K-12,

    27 Niche users give it an average review of 4.3 stars.

    Featured Review: Parent says My son joined Collegiate last Year as a seventh grader. The school is wonderful and it accommodate my son perfectly. The school assigned French and Music teachers for my son for the entire year....

    Read 27 reviews.

    Overall Niche Grade: A+,

    Students: 651,

    Student-Teacher Ratio: 8 to 1,

    View nearby homes
  8. #8 Best Private K-12 Schools in America.

    Rye Country Day School

    Blue checkmark.

    Private School,

    RYE, NY,

    PK, K-12,

    97 Niche users give it an average review of 4.3 stars.

    Featured Review: Freshman says Rye Country Day School has helped me become a better person and has provided a great academical foundation for years to come. Though it can get stressful, with a lot of homework and extracurricular....

    Read 97 reviews.

    Overall Niche Grade: A+,

    Students: 938,

    Student-Teacher Ratio: 7 to 1,

    View nearby homesVirtual tour
  9. #9 Best Private K-12 Schools in America.

    Georgetown Day School

    Blue checkmark.

    Private School,

    WASHINGTON, DC,

    PK, K-12,

    50 Niche users give it an average review of 4.7 stars.

    Featured Review: Freshman says This is my first year at GDS, and so far it's been amazing! All of my teachers are excellent, the classes are challenging, and I've been learning so much. I've been able to go in person two days a....

    Read 50 reviews.

    Overall Niche Grade: A+,

    Students: 1,075,

    Student-Teacher Ratio: 6 to 1,

    View nearby homesVirtual tour
  10. #10 Best Private K-12 Schools in America.

    Dalton School

    Private School,

    NEW YORK, NY,

    K-12,

    81 Niche users give it an average review of 4.2 stars.

    Featured Review: Senior says While yes, the academics are incredibly rigorous, and Dalton prepares us well for equally rigorous collegiate study, the methods with which certain students achieve in the high-school are often....

    Read 81 reviews.

    Overall Niche Grade: A+,

    Students: 1,322,

    Student-Teacher Ratio: 8 to 1,

    View nearby homes
  11. #11 Best Private K-12 Schools in America.

    Milton Academy

    Blue checkmark.

    Private School,

    MILTON, MA,

    K-12,

    137 Niche users give it an average review of 4.2 stars.

    Featured Review: Senior says Milton Academy students leverage their top-tier academics to achieve their goals. Whether that be in academics, athletics, the arts, or in social justice, everything these students do is done at the....

    Read 137 reviews.

    Overall Niche Grade: A+,

    Students: 1,020,

    Student-Teacher Ratio: 6 to 1,

    View nearby homesVirtual tour
  12. #12 Best Private K-12 Schools in America.

    Polytechnic School

    Blue checkmark.

    Private School,

    PASADENA, CA,

    K-12,

    105 Niche users give it an average review of 4.2 stars.

    Featured Review: Parent says As a parent of current poly students, I can attest to the quality of the teachers, faculty, student body and facilities. Poly is academically rigorous and sets high expectations for its students...inclusion, tolerance and integrity are all modeled and reinforced throughout the campus at every grade level. Poly can of course continue to work on its diversity by reaching out to the larger Los....

    Read 105 reviews.

    Overall Niche Grade: A+,

    Students: 872,

    Student-Teacher Ratio: 7 to 1,

    View nearby homesVirtual tour
  13. #13 Best Private K-12 Schools in America.

    Sidwell Friends School

    Private School,

    WASHINGTON, DC,

    PK, K-12,

    68 Niche users give it an average review of 4.2 stars.

    Featured Review: Parent says Sidwell has provided my children with an exceptional academic experience emphasizing critical thinking and problem solving, writing and communications, and quantitative reasoning. The workload has....

    Read 68 reviews.

    Overall Niche Grade: A+,

    Students: 1,145,

    Student-Teacher Ratio: 8 to 1,

    View nearby homes
  14. #14 Best Private K-12 Schools in America.

    The Pingry School

    Blue checkmark.

    Private School,

    BASKING RIDGE, NJ,

    K-12,

    118 Niche users give it an average review of 4.1 stars.

    Featured Review: Parent says The Pingry School is a special school that serves the students ranging all the way from K-12, with its magical way of learning at its lower school campus while raising confident, and inquisitive...A school that is diverse like no other - we often remark - Pingry is the best possible confluence of cultures, people, and POVs. The credit goes to its Board of Trustees, Head of School, DEI&B team,...We are grateful for Pingry for everything it has been, is and will be!.

    Read 118 reviews.

    Overall Niche Grade: A+,

    Students: 1,175,

    Student-Teacher Ratio: 7 to 1,

    View nearby homesVirtual tour
  15. #15 Best Private K-12 Schools in America.

    The Spence School

    Blue checkmark.

    Private School,

    NEW YORK, NY,

    K-12,

    29 Niche users give it an average review of 4.4 stars.

    Featured Review: Senior says I have gone to Spence my entire life and I am so grateful for that experience! I definitely enjoyed high school the most out of my 13 years there because of the opportunities, teachers, friends and....

    Read 29 reviews.

    Overall Niche Grade: A+,

    Students: 751,

    Student-Teacher Ratio: 6 to 1,

    View nearby homes
  16. #16 Best Private K-12 Schools in America.

    The Chapin School

    Blue checkmark.

    Private School,

    NEW YORK, NY,

    K-12,

    85 Niche users give it an average review of 4.4 stars.

    Featured Review: Parent says We love how nurturing Chapin has been for our daughter. She's finishing up third grade and absolutely adores the school, her teachers, and her classmates. She particularly appreciates library time...Suffice it to say, we love Chapin and are so pleased to have our daughter attending school there!.

    Read 85 reviews.

    Overall Niche Grade: A+,

    Students: 725,

    Student-Teacher Ratio: 6 to 1,

    View nearby homes
  17. #17 Best Private K-12 Schools in America.

    Cranbrook Schools

    Blue checkmark.

    Private School,

    BLOOMFIELD HILLS, MI,

    PK, K-12,

    252 Niche users give it an average review of 4.4 stars.

    Featured Review: Senior says Cranbrook is an incredible place. I have gone here for the last 13 years, and I can say that it shapes people into fine, polite, astute, grounded young adults. There is constantly the stress by...It wouldn't be a Cranbrook review without the architecture. I am in a senior aesthetics elective, and we use the art around us as primary resources in our class! There is never a shortage of culture....

    Read 252 reviews.

    Overall Niche Grade: A+,

    Students: 1,659,

    Student-Teacher Ratio: 7 to 1,

    View nearby homes
  18. #18 Best Private K-12 Schools in America.

    St. John's School

    Private School,

    HOUSTON, TX,

    K-12,

    101 Niche users give it an average review of 4.3 stars.

    Featured Review: Junior says At St. John's, you are guaranteed a challenging curriculum. The Upper School offers many difficult classes, and course load is a lot but not completely unmanageable, tons of resources. Many teachers....

    Read 101 reviews.

    Overall Niche Grade: A+,

    Students: 1,258,

    Student-Teacher Ratio: 7 to 1,

    View nearby homes
  19. #19 Best Private K-12 Schools in America.

    Buckingham Browne & Nichols School

    Blue checkmark.

    Private School,

    CAMBRIDGE, MA,

    PK, K-12,

    74 Niche users give it an average review of 4.1 stars.

    Featured Review: Senior says This is my seventh year at BB&N, and I have loved attending the school. The teachers all care deeply about their subject and the student experience. Every year I have at least two who completely....

    Read 74 reviews.

    Overall Niche Grade: A+,

    Students: 1,037,

    Student-Teacher Ratio: 7 to 1,

    View nearby homesVirtual tour
  20. #20 Best Private K-12 Schools in America.

    Head-Royce School

    Blue checkmark.

    Private School,

    OAKLAND, CA,

    K-12,

    64 Niche users give it an average review of 4.5 stars.

    Featured Review: Parent says My daughter has had an outstanding high school experience at Head-Royce - I can't imagine a better school for her. I remember thinking, at my initial parent tour, what a remarkably smart, involved,....

    Read 64 reviews.

    Overall Niche Grade: A+,

    Students: 900,

    Student-Teacher Ratio: 6 to 1,

    View nearby homesVirtual tour
  21. #21 Best Private K-12 Schools in America.

    The Quarry Lane School

    Blue checkmark.

    Private School,

    DUBLIN, CA,

    PK, K-12,

    151 Niche users give it an average review of 4.3 stars.

    Featured Review: Parent says Our son attended Quarry Lane School (QLS) from kindergarten through high school. From the education that he received at QLS, we can confidently say that its is a top-notch K-12 educational...It was very comforting for us that throughout our son's education, we did not have to worry about the quality of the education that he was receiving and the treatment that he was getting at school.....

    Read 151 reviews.

    Overall Niche Grade: A+,

    Students: 850,

    Student-Teacher Ratio: 7 to 1,

    View nearby homesVirtual tour
  22. #22 Best Private K-12 Schools in America.

    Avenues The World School

    Blue checkmark.

    Private School,

    NEW YORK, NY,

    PK, K-12,

    99 Niche users give it an average review of 4.5 stars.

    Featured Review: Parent says I have an education and developmental psychology background and my husband and I are blown away with the school. Both of my boys are in the nursery program and their growth, development and the...We are so grateful to be part of this school!.

    Read 99 reviews.

    Overall Niche Grade: A+,

    Students: 1,578,

    Student-Teacher Ratio: 5 to 1,

    View nearby homesVirtual tour
  23. #23 Best Private K-12 Schools in America.

    University of Chicago Laboratory Schools

    Blue checkmark.

    Private School,

    CHICAGO, IL,

    PK, K-12,

    131 Niche users give it an average review of 3.9 stars.

    Featured Review: Sophomore says I was a student at lab since preschool, and I can say I thoroughly enjoyed it. The lower grades especially had something special about them. Elementary classes were based on projects and exploration,....

    Read 131 reviews.

    Overall Niche Grade: A+,

    Students: 2,051,

    Student-Teacher Ratio: 8 to 1,

    View nearby homes
  24. #24 Best Private K-12 Schools in America.

    Germantown Friends School

    Blue checkmark.

    Private School,

    PHILADELPHIA, PA,

    PK, K-12,

    91 Niche users give it an average review of 4.2 stars.

    Featured Review: Alum says As a recent grad who went to GFS for 7 years, I can say that the school changed my life. No, it wasn't "perfect", but I love it and will be forever thankful for going there. Each student at GFS has a...GFS is such an amazing school..

    Read 91 reviews.

    Overall Niche Grade: A+,

    Students: 1,070,

    Student-Teacher Ratio: 4 to 1,

    View nearby homesVirtual tour
  25. #25 Best Private K-12 Schools in America.

    The Harker School

    Blue checkmark.

    Private School,

    SAN JOSE, CA,

    K-12,

    152 Niche users give it an average review of 4.4 stars.

    Featured Review: Junior says Overall Harker is a great school. Of course, the tuition is exorbitantly high, but the facilities, community, and academic opportunities are all pretty great. My favorite spots on campus are the...There is a (slightly un)healthy amount of academic competition. It's kind of exacerbated by the distinction between A and A+ on student transcripts.And of course, this review would be incomplete without mentioning the diverse options in terms of food..

    Read 152 reviews.

    Overall Niche Grade: A+,

    Students: 1,951,

    Student-Teacher Ratio: 8 to 1,

    View nearby homesVirtual tour
loading indicator

Showing results 1 through 25 of 22,498

Quick References

RankSchool NameLocation
1St. Mark's School of TexasDallas, TX
2Trinity SchoolNew York, NY
3The Nueva SchoolHillsborough, CA
4The Brearley SchoolNew York, NY
5Riverdale Country SchoolBronx, NY
6Horace Mann SchoolBronx, NY
7Collegiate SchoolNew York, NY
8Rye Country Day SchoolRye, NY
9Georgetown Day SchoolWashington, DC
10Dalton SchoolNew York, NY
11Milton AcademyMilton, MA
12Polytechnic SchoolPasadena, CA
13Sidwell Friends SchoolWashington, DC
14The Pingry SchoolBasking Ridge, NJ
15The Spence SchoolNew York, NY
16The Chapin SchoolNew York, NY
17Cranbrook SchoolsBloomfield Hills, MI
18St. John's SchoolHouston, TX
19Buckingham Browne & Nichols SchoolCambridge, MA
20Head-Royce SchoolOakland, CA
21The Quarry Lane SchoolDublin, CA
22Avenues The World SchoolNew York, NY
23University of Chicago Laboratory SchoolsChicago, IL
24Germantown Friends SchoolPhiladelphia, PA
25The Harker SchoolSan Jose, CA