Excellent
#33 of 883 private schools in TX
Top 4% of private schools
Keystone School
School
119 E CRAIG PL, San Antonio, TX 78212
Enrollment
443
Student-Teacher
8.5:1
Score
8.3
Grades
Pre-K – 12th
Enrollment
443
Student-Teacher
8.5:1
Score
8.3
Grades
Pre-K – 12th
Data vintage
2021-22
Data vintage2021-22
How this school compares
Texas private schools
#33 of 883
In San Antonio
#2 of 53
public schools
Shortlisting around Keystone School?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Keystone School
School in San Antonio · grades Pre-K – 12th. Start here, then compare fit against nearby and district options.
Travis Early College H S
0.4 mi away. Use as a geographic alternative in the same move search.
Great Hearts Monte Vista
0.4 mi away. Use as a geographic alternative in the same move search.
About Keystone School
Keystone School is a private school in San Antonio, TX. Keystone School serves approximately 443 students, and covers grades Pre-K-12th, and has a 8.5:1 student-teacher ratio. Keystone School has a current MySchoolScout rating of 8.3 out of 10 and ranks #33 of 883 private schools in TX.
- This school 8.3 · Excellent
- TX avg 6.3
What Parents Should Know
At 8.5:1 students to teachers, Keystone School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Keystone School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow Keystone School compares to 543 public schools serving similar grades in San Antonio, TX
Student Demographics
Nearby Other Schools
| School | Rating |
|---|---|
| Keystone School (this school) | 8.3 |
| TRAVIS EARLY COLLEGE H S | 7.5 |
| GREAT HEARTS MONTE VISTA | 7.6 |
| IMELDA DAVIS EARLY COLLEGE H S | — |
| GREAT HEARTS MONTE VISTA NORTH | 8.5 |
| GONZALES EARLY CHILDHOOD CAMPUS | 3.3 |
| MARK TWAIN DUAL LANGUAGE ACADEMY | 8.8 |
| HAWTHORNE PK-8 ACADEMY | 3.3 |
| AGNES COTTON ACADEMY | 7.7 |
| POSITIVE SOLUTIONS CHARTER | 4.7 |
| ADVANCED LEARNING ACADEMY | 6.9 |
| BEACON HILL ACADEMY | 4.9 |
| CAST TECH H S | 6.3 |
| FOX TECHNICAL H S | 5.6 |
| SAISD - PK 4 SA | 3.3 |
| ROGERS ACADEMY | 2.6 |
| EDISON H S | 4.3 |
| NISD BEXAR COUNTY JJA | 3.1 |
| BEXAR CO J J A E P | — |
| BEXAR CO J J A E P | — |
| BEXAR CO J J A E P | — |
Showing 20 of 543 schools. View all schools in San Antonio
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
PreliminaryWhat This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in TX.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in TX
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
119 E CRAIG PL, San Antonio, TX 78212
Nearby Alternatives
Families considering Keystone School may also want to explore other schools in the area. MARK TWAIN DUAL LANGUAGE ACADEMY (rated 8.8/10, 0.6 miles away), which scores slightly higher. Another option is SUNSHINE COTTAGE SCHOOL FOR DEAF CHILDREN (rated 8.6/10, 1.2 miles away), with a very similar rating. Additionally, GREAT HEARTS MONTE VISTA NORTH (rated 8.5/10, 0.4 miles away), with a very similar rating. For more schools in San Antonio, see our San Antonio schools guide .
Nearby Schools
20 within 1.6 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 78212 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$60,222
Median Home Value
$299,400
Median Rent
$1,084/mo
Population
26,670
College Educated
39.2%
Homeownership
47.3%
Avg Commute
20.1 min
Poverty Rate
15.9%
Median Age
40
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| BLUM ISD Blum, TX | 8.3 |
| TEMPLE CHRISTIAN SCHOOLS Fort Worth, TX | 8.3 |
| DOUGLASS SCHOOL Douglass, TX | 8.4 |
| NEW SUMMERFIELD SCHOOL New Summerfield, TX | 8.4 |
| PERRIN SCHOOL Perrin, TX | 8.2 |
| TREETOPS SCHOOL INTERNATIONAL Euless, TX | 8.2 |
Frequently Asked Questions
Common questions about Keystone School
What grades does Keystone School serve?
Keystone School serves students in grades Pre-K through 12th.
How many students attend Keystone School?
Keystone School has an enrollment of approximately 443 students.
What is the student-teacher ratio at Keystone School?
The student-teacher ratio at Keystone School is 8.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Keystone School rank in TX?
Keystone School ranks #33 of 883 private schools in TX.
What is Keystone School's MySchoolScout rating?
Keystone School has a current MySchoolScout rating of 8.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Keystone School a private school?
Yes, Keystone School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Keystone School a religious school?
No, Keystone School is a nonsectarian (non-religious) private school.
Neighborhood Context
Powered by 
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 12th
- Enrollment
- 443
- Gender Split
- 45% M / 55% F
- Student-Teacher Ratio
- 8.5:1
- Teachers (FTE)
- 52
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7.5 hours
- Days Per Year
- 260 days
- Setting
- Large City
- County
- Bexar County
- Phone
- (210) 735-4022
Resources & Links
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateRelated reading
- Best Public Schools in Texas 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Austin, TX — 2026 Rankingsbest schools
- Best Schools in Dallas, TX — 2026 Rankingsbest schools
- Best Schools in Fort Worth, TX — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.