#1 Best Private High Schools in San Antonio, TX
Tmi Episcopal
Episcopal school · Grades 6–12
100% of graduates go to four-year colleges
San Antonio, TX
A+Overall grade595 students10 students per teacher
2026 lists
Best Private High Schools in San Antonio, TX
Private high schools in San Antonio, TX with the highest overall grades. Top 17 of 17 schools.
#2 Best Private High Schools in San Antonio, TX
Lutheran High School of San Antonio
Lutheran (Missouri Synod) school · Grades 9–12
100% of graduates go to four-year colleges
San Antonio, TX
A+Overall grade137 students9 students per teacher
#3 Best Private High Schools in San Antonio, TX
St. Mary's Hall
Independent school · Grades Pre-K–12
The largest independent school in San Antonio
San Antonio, TX
A+Overall grade694 students8 students per teacher
#4 Best Private High Schools in San Antonio, TX
Providence Catholic School
Independent Catholic school · Grades 6–12
95% of graduates go to four-year colleges
San Antonio, TX
A+Overall gradeAll girls203 students9 students per teacher
#5 Best Private High Schools in San Antonio, TX
Keystone School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
San Antonio, TX
A+Overall grade419 students8 students per teacher
#6 Best Private High Schools in San Antonio, TX
The Atonement Catholic Academy
Diocesan school · Grades Pre-K–12
93% of graduates go to four-year colleges
San Antonio, TX
A+Overall grade306 students9 students per teacher
#7 Best Private High Schools in San Antonio, TX
Antonian College Preparatory High School
Diocesan school · Grades 9–12
95% of graduates go to four-year colleges
San Antonio, TX
A+Overall grade717 students12 students per teacher
#8 Best Private High Schools in San Antonio, TX
Cornerstone Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Texas
San Antonio, TX
AOverall grade2,098 students14 students per teacher
#9 Best Private High Schools in San Antonio, TX
Incarnate Word High School
Independent Catholic school · Grades 9–12
99% of graduates go to four-year colleges
San Antonio, TX
A-Overall gradeAll girls318 students13 students per teacher
#10 Best Private High Schools in San Antonio, TX
St. Anthony Catholic High School
Independent Catholic school · Grades 9–12
90% of graduates go to four-year colleges
San Antonio, TX
B+Overall grade241 students10 students per teacher
#11 Best Private High Schools in San Antonio, TX
The Christian School at Castle Hills
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 101% since 2011–12
San Antonio, TX
BOverall grade565 students12 students per teacher
#12 Best Private High Schools in San Antonio, TX
Central Catholic High School -San Antonio
Independent Catholic school · Grades 9–12
99% of graduates go to four-year colleges
San Antonio, TX
BOverall gradeAll boys504 students15 students per teacher
#13 Best Private High Schools in San Antonio, TX
Healy-Murphy Center
Alternative school · Grades 9–12
Serving families in San Antonio since at least 2011
San Antonio, TX
B-Overall grade144 students10 students per teacher
#14 Best Private High Schools in San Antonio, TX
San Antonio Christian School
Christian school (nondenominational) · Grades Pre-K–12
85% of graduates go to four-year colleges
San Antonio, TX
B-Overall grade878 students
#15 Best Private High Schools in San Antonio, TX
Holy Cross of San Antonio
Independent Catholic school · Grades 6–12
100% of graduates go to four-year colleges
San Antonio, TX
B-Overall grade300 students15 students per teacher
#16 Best Private High Schools in San Antonio, TX
Nobis Pacem
Independent Catholic school · Grades Pre-K–12
One of the 3 largest Catholic schools in Texas
San Antonio, TX
B-Overall grade1,091 students21 students per teacher
#17 Best Private High Schools in San Antonio, TX
Victory Learning Center
Independent school · Grades 9–12
One of 14 independent schools in San Antonio
San Antonio, TX
B-Overall grade220 students39 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.