Kimball Union Academy in Plainfield, NH, serves 343 students in grades 9–12 within a rural community setting.
Founded in 1813, the school has a campus size of 300 acres and operates as a nonsectarian, co–ed private high school.
The school maintains a student–teacher ratio of 7:1 with 49 teaching staff and offers 130 Advanced Placement courses.
Tuition for the academic year is $80,100, and the student body includes 28.86% students of color, reflecting the school's diversity.
Kimball Union Academy ranks in the top 20% of private high schools in New Hampshire for diversity, student body size, AP course offerings, and historical founding date.
Quick Facts (2026)
- Top-Ranked NH School
- Grades: 9-12
- Enrollment: 343 students
- Yearly Tuition: $80,100
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Kimball Union Academy ranks among the top 20% of private schools in New Hampshire for:
Category
Attribute
Student Body
AP Courses
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1813
Colors
Black, Orange, Orange/Black
School Calendar
Last Day of School
Sat. Jun 6, 2026
Campus Size
300 acres
Student Body
Total Students
343 students
Student Body Type
Co-ed
% Students of Color
29%
State avg.: 18%
Students by Grade
Academics and Faculty
Total Classroom Teachers
49 teachers
Student-Teacher Ratio
7:1
National avg.: 13:1
Average Class Size
11 students
Number of AP/Advanced Courses
130 courses
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$80,100
Application URL
School Notes
- School Motto: Be You. Become Who You Want to Be.
- School Mascot: Wildcat
Source: Verified school update
Frequently Asked Questions
How much does Kimball Union Academy cost?
Kimball Union Academy's tuition is approximately $80,100 for private students.
What is Kimball Union Academy's ranking?
Kimball Union Academy ranks among the top 20% of private schools in New Hampshire for: Highest percentage of students of color, Largest student body, Most AP courses offered and Oldest founding date.
When is the application deadline for Kimball Union Academy?
The application deadline for Kimball Union Academy is rolling (applications are reviewed as they are received year-round).
In what neighborhood is Kimball Union Academy located?
Kimball Union Academy is located in the Meriden neighborhood of Plainfield, NH.
Nearby Private Schools
The nearest high school to Kimball Union Academy is Kimball Union Academy (0.4 miles away)
The nearest elementary school is Estabrook Christian School (5.3 miles away)
The nearest preschool is Montessori Discovry School Of The Twin States, Inc (8.6 miles away)
Show me:
School
Location
Miles
Quick Facts
64 Main Street
Meriden, NH 03770
(603) 469-2100
Meriden, NH 03770
(603) 469-2100
0.4 miles
Gr: 9-12 | 338 students Avg. class size: 12 students Sports: 22 | Extracurrculars: 38 Tuition & acceptance rate listed
Estabrook Christian School
(Seventh Day Adventist)
1050 Route 12A
Plainfield, NH 03781
(603) 675-2455
Plainfield, NH 03781
(603) 675-2455
5.3 miles
Gr: 1-9 | 11 students
Foundations
Special Education School
147 Main St
Windsor, VT 05089
(802) 674-4428
Windsor, VT 05089
(802) 674-4428
8.2 miles
Gr: Inquire with school | 16 students
Montessori Discovry School Of The Twin States, Inc
Montessori School
112 Etna Road
Lebanon, NH 03766
(603) 667-8166
Lebanon, NH 03766
(603) 667-8166
8.6 miles
Gr: PK-K | 40 students Tuition listed
Dhmc Child Care Center
Daycare / Preschool
1 Medical Center Drive
Lebanon, NH 03756
(603) 643-6504
Lebanon, NH 03756
(603) 643-6504
9.3 miles
Gr: NS | 61 students Avg. class size: 15 students
School Reviews
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