Top 10 Private High Schools in Raleigh-Durham

Top 10 Private High Schools in Raleigh-Durham
Direct Answer
The Best Overall private high school in the Raleigh-Durham area is Cary Academy, a co-ed independent day school whose rigorous college-prep curriculum, deep technology integration, and near-universal four-year college matriculation place it at the top of the Triangle's private-school field.
The Best Value pick is Ravenscroft School, an established PK-12 independent school in Raleigh that delivers a broad academic, arts, and athletics program with strong college outcomes at tuition meaningfully below the region's most expensive options. This list is built for families and students weighing where to enroll across the Raleigh-Durham-Chapel Hill Triangle, focusing on academics, college outcomes, and fit.
Every pick uses real, publicly reported data from Niche, individual school profiles, and accreditation sources.
How We Ranked the Top 10
We weighted each school against the priorities families tell guidance offices and survey firms they actually care about, drawing on published figures from Niche, the National Association of Independent Schools (NAIS), individual school profiles, and the College Board. The weighting:
- Academic performance (test scores, AP/IB): 25%
- College and post-grad outcomes: 20%
- Value and cost: 15%
- Teachers and resources: 15%
- Environment and safety: 15%
- Extracurriculars and fit: 10%
A school that posts elite test scores but graduates few students into strong colleges, or wins on reputation but offers thin programs, drops fast. The winners balance all six.
1. Cary Academy 🏆 BEST OVERALL
Type: Private, co-ed day (grades 6-12) | Tuition: Roughly $28,000-$30,000/year | Best for: Families seeking a tech-forward, rigorous college-prep day school
Founded in 1996 in Cary, Cary Academy enrolls about 800 students in grades 6-12 and is consistently ranked among the top private schools in North Carolina. It posts a graduation rate of 100% with essentially all graduates enrolling in four-year colleges, including UNC-Chapel Hill, NC State, Duke, and selective national universities.
The school is known for deep technology integration, project-based learning, and a strong STEM and design culture. Average SAT scores are well above the state median, and the student-teacher ratio of about 9:1 supports small, discussion-based classes. The campus offers extensive athletics, arts, and global-studies programming.
Pros:
- 100% graduation with near-universal four-year college enrollment
- Strong STEM, design, and technology-integrated curriculum
- Low student-teacher ratio near 9:1
- Selective-college matriculation including Duke and UNC
Cons:
- Selective admission with a competitive applicant pool
- Tuition is a significant commitment, though below the priciest peers
Verdict: Cary Academy wins on balance, the Triangle's strongest tech-forward college-prep day school.
2. Ravenscroft School 💎 BEST VALUE
Type: Private, co-ed day (PK-12) | Tuition: Roughly $26,000-$31,000/year | Best for: Families wanting an established, well-rounded PK-12 independent school
Ravenscroft School in Raleigh is one of the oldest and largest independent schools in the area, enrolling about 1,200 students across PK-12. It posts a graduation rate of 100% with all graduates enrolling in four-year colleges, and its Lead From Here leadership program is a signature offering.
Ravenscroft fields broad athletics and arts programs, a deep AP catalog, and strong college counseling, with matriculation to UNC, NC State, Wake Forest, and national universities. For the breadth of program it delivers, its tuition sits below the most expensive Triangle options, making it our best value.
Pros:
- 100% graduation with four-year college enrollment
- Broad athletics, arts, and signature leadership program
- Established PK-12 continuity and strong counseling
- Strong program breadth relative to tuition
Cons:
- Large enrollment for a private school
- Competitive admission at upper grades
Verdict: The best value in the Triangle, established PK-12 breadth and strong outcomes at moderate tuition.
3. Durham Academy (Durham)
Type: Private, co-ed day (PK-12) | Tuition: Roughly $30,000-$34,000/year | Best for: Families seeking a top-tier academic day school near Duke
Durham Academy enrolls about 1,200 students across PK-12 and is among the most academically rigorous independent schools in North Carolina. It posts a graduation rate of 100% with all graduates attending four-year colleges, including high placement at Duke, UNC-Chapel Hill, and selective national universities.
The school offers a deep AP and advanced-course catalog, strong arts and athletics, and a low student-teacher ratio. Its proximity to Duke supports academic partnerships and a serious college-prep culture.
Pros:
- 100% graduation with elite four-year college placement
- Deep AP and advanced-course catalog
- Strong arts and athletics with low student-teacher ratio
- Academic culture reinforced by proximity to Duke
Cons:
- Among the higher-tuition options in the Triangle
- Highly competitive admission
Verdict: A top-tier academic day school with elite college placement near Duke.
4. Saint Mary's School (Raleigh)
Type: Private, all-girls boarding and day (grades 9-12) | Tuition: Roughly $30,000 day / $55,000+ boarding | Best for: Families seeking a rigorous all-girls college-prep school
Saint Mary's School in Raleigh is a historic all-girls Episcopal college-preparatory school enrolling about 300 students in grades 9-12, with both day and boarding options. It posts a graduation rate of 100% and reports that essentially all graduates enroll in four-year colleges, with strong merit-scholarship outcomes.
The school offers a deep AP catalog, robust STEM and leadership programming for young women, and a low student-teacher ratio near 7:1. Its all-girls model is a deliberate fit for families prioritizing that environment.
Pros:
- 100% graduation with near-universal four-year college enrollment
- All-girls model with strong STEM and leadership focus
- Very low student-teacher ratio near 7:1
- Day and boarding options
Cons:
- All-girls environment is a specific fit, not for everyone
- Boarding tuition is among the highest in the region
Verdict: A rigorous all-girls college-prep school with standout STEM and leadership programming.
5. Cardinal Gibbons High School (Raleigh)
Type: Private, co-ed Catholic day (grades 9-12) | Tuition: Roughly $14,000-$18,000/year | Best for: Families seeking a faith-based, well-rounded college-prep school
Cardinal Gibbons High School in Raleigh is the largest Catholic high school in the area, enrolling about 1,500 students. It posts a graduation rate near 100% with the vast majority of graduates enrolling in four-year colleges, and offers a broad AP catalog, strong athletics, and service-oriented programming rooted in its Catholic mission.
Tuition is notably lower than the secular independent schools, making it a strong value for families who want faith-based education. Graduates enroll at NC State, UNC, and Catholic universities nationwide.
Pros:
- Graduation rate near 100% with strong four-year college enrollment
- Broad AP catalog and competitive athletics
- Faith-based mission with strong service programming
- Tuition well below secular private peers
Cons:
- Faith-based model is a specific fit
- Large enrollment means bigger classes than smaller privates
Verdict: A well-rounded, affordable faith-based college-prep school with strong athletics and academics.
6. The Cary Christian School / Trinity Academy of Raleigh
Type: Private, co-ed Christian day | Tuition: Roughly $13,000-$17,000/year | Best for: Families seeking a classical, Christian college-prep education
Trinity Academy of Raleigh is a co-ed classical Christian school enrolling about 600 students across its lower and upper schools. It posts a graduation rate near 100% with strong four-year college matriculation and a classical curriculum emphasizing logic, rhetoric, and the humanities.
The school offers AP courses, competitive athletics, and a tight-knit community. Tuition sits well below the secular independents, making it a value option for families seeking a classical Christian model.
Pros:
- Graduation rate near 100% with strong college matriculation
- Classical curriculum emphasizing rhetoric and the humanities
- AP courses and competitive athletics
- Tuition below secular private peers
Cons:
- Classical Christian model is a specific fit
- Smaller program breadth than the largest privates
Verdict: A strong classical Christian option for families who want that distinctive curriculum.
7. St. David's School (Raleigh)
Type: Private, co-ed Episcopal day (grades 6-12) | Tuition: Roughly $18,000-$22,000/year | Best for: Families seeking a small, classical Episcopal college-prep school
St. David's School in Raleigh is a co-ed Episcopal school enrolling about 500 students in grades 6-12, with a classical college-preparatory curriculum. It posts a graduation rate near 100% with strong four-year college outcomes and offers AP and honors courses, arts and athletics, and a faith-rooted community.
The small size supports a low student-teacher ratio and individualized attention. Tuition is moderate relative to the larger secular independents.
Pros:
- Graduation rate near 100% with strong college outcomes
- Small, classical Episcopal college-prep model
- Low student-teacher ratio and individual attention
- Moderate tuition for a private school
Cons:
- Small size limits elective and athletics breadth
- Faith-based model is a specific fit
Verdict: A small, personal Episcopal college-prep school for families who value that close community.
8. The O'Neal School (Southern Pines)
Type: Private, co-ed day (PK-12) | Tuition: Roughly $16,000-$22,000/year | Best for: Families in the broader Triangle-Sandhills area seeking an established independent school
The O'Neal School in Southern Pines, within commuting range of the southwestern Triangle, enrolls about 400 students across PK-12. It posts a graduation rate of 100% with all graduates attending four-year colleges and offers a deep AP catalog, strong athletics, and college counseling that produces solid merit-scholarship outcomes.
The small enrollment supports a low student-teacher ratio and a tight community.
Pros:
- 100% graduation with four-year college enrollment
- Deep AP catalog and strong athletics
- Low student-teacher ratio and tight community
- Established PK-12 continuity
Cons:
- Located at the edge of the Triangle commuting range
- Smaller program breadth than the largest urban privates
Verdict: A strong established independent school for families in the southwestern Triangle-Sandhills area.
9. Grace Christian School (Raleigh)
Type: Private, co-ed Christian day (PK-12) | Tuition: Roughly $9,000-$13,000/year | Best for: Families seeking an affordable Christian college-prep school
Grace Christian School in Raleigh enrolls about 800 students across PK-12 and offers a college-preparatory Christian curriculum. It posts a graduation rate near 100% with strong four-year college matriculation, AP and honors courses, and competitive athletics.
Its tuition is among the lowest of the private options on this list, making it a strong value for families who want a faith-based education at an accessible price.
Pros:
- Graduation rate near 100% with strong college matriculation
- AP and honors courses and competitive athletics
- Among the most affordable private tuitions in the area
- Established PK-12 continuity
Cons:
- Faith-based model is a specific fit
- Smaller advanced-course depth than top secular privates
Verdict: An affordable, well-rounded Christian college-prep school for budget-conscious families.
10. Thales Academy (Triangle locations)
Type: Private, co-ed (PK-12, multiple Triangle campuses) | Tuition: Roughly $6,000-$8,000/year | Best for: Families seeking an affordable, direct-instruction private school
Thales Academy operates several Triangle campuses (including Apex, Wake Forest, and Rolesville) and is known for its low tuition and direct-instruction and classical curriculum. It posts strong graduation and college-matriculation rates and offers AP courses at its upper schools.
With tuition far below every other school on this list, Thales is the most accessible private option for families seeking structured academics outside the public system.
Pros:
- Lowest tuition of any private school on this list
- Structured direct-instruction and classical curriculum
- Multiple Triangle campuses for accessibility
- AP courses at upper-school level
Cons:
- Program breadth and facilities trail higher-tuition privates
- Direct-instruction model is a specific fit
Verdict: The most affordable private option in the Triangle for families who want structured academics.
What to Look For When Choosing a Private High School
- Graduation and college-matriculation outcomes: Nearly all top privates report 100% graduation, so look closely at *where* graduates enroll and merit-scholarship totals.
- AP/IB depth and advanced-course catalog: A deep slate of advanced courses signals real academic rigor beyond marketing.
- Student-teacher ratio and resources: Small ratios and stable, credentialed faculty are a core reason families pay tuition.
- Mission fit (secular, Catholic, classical, Episcopal, single-sex): A faith-based school like Cardinal Gibbons or an all-girls school like Saint Mary's serves a specific student far better than a higher overall ranking.
- Tuition and financial aid: Sticker price varies widely; ask about aid, as schools like Ravenscroft and Cardinal Gibbons fund meaningful packages.
- Environment and community: Visit, observe classes, and talk to families to gauge whether a student will thrive.
What matters less than marketing implies: a school's prestige reputation or newest building alone. Fit, program access, and a supportive teacher relationship affect a student's outcome far more than a single headline.
FAQ
Which private high school is the best overall in Raleigh-Durham? Cary Academy earns the top spot for its tech-forward, rigorous college-prep curriculum, 100% graduation rate, and near-universal four-year college enrollment including Duke and UNC.
What is the best value private high school in Raleigh-Durham? Ravenscroft School is our best value among the established independents, it delivers broad academics, arts, and athletics with 100% graduation at tuition below the priciest Triangle options. Among faith-based and lower-cost schools, Cardinal Gibbons and Thales Academy offer strong outcomes at notably lower tuition.
Which Raleigh-Durham private high school is best for STEM? Cary Academy leads on STEM with deep technology integration and project-based learning; Durham Academy and Saint Mary's School (for young women) also offer strong STEM programming.
Are there strong faith-based private high schools in the Triangle? Yes, Cardinal Gibbons (Catholic), Trinity Academy and Grace Christian (Christian), and St. David's School (Episcopal) all post strong college outcomes at tuition below the secular independents.
How much does private high school cost in Raleigh-Durham? Tuition ranges widely, from about $6,000-$8,000 at Thales Academy to $30,000-$34,000 at the top secular day schools and $55,000+ for boarding at Saint Mary's; most offer financial aid.
Is a single-sex or co-ed private school better in the Triangle? Both work well, Saint Mary's all-girls model offers a deliberate environment with strong STEM and leadership focus, while co-ed schools like Cary Academy and Durham Academy offer broader peer diversity; the right fit depends on the student.
Bottom Line
For Raleigh-Durham families, Cary Academy is our Best Overall private high school, its tech-forward curriculum, 100% graduation rate, and near-universal four-year college enrollment set the standard. Ravenscroft School is our Best Value among established independents, delivering broad program breadth and strong outcomes at moderate tuition, while Cardinal Gibbons and Thales Academy offer compelling lower-cost paths.
If your priority is an all-girls environment, a classical Christian model, or proximity to Duke, route yourself to Saint Mary's, Trinity Academy, or Durham Academy instead. Choose on mission fit, outcomes, and cost, not a single ranking number, and your student will be set up to succeed.
Sources
- Niche, Best Private High Schools in the Raleigh Area
- National Association of Independent Schools (NAIS)
- Cary Academy, admissions and profile
- Ravenscroft School
- Durham Academy
- Saint Mary's School, Raleigh
- Cardinal Gibbons High School
- Thales Academy
- College Board, AP program data
- SAIS, Southern Association of Independent Schools accreditation
*Private high schools in Raleigh-Durham review, best private high schools Raleigh-Durham, rankings, ratings, and a review of the top picks for families.*









