#1 Best Private High Schools in Dallas County, TX
Cistercian Preparatory School
Independent Catholic school · Grades 5–12
Smaller classes than 92% of Catholic schools in Texas
Irving, TX
A+Overall gradeAll boys352 students6 students per teacher
2026 lists
Best Private High Schools in Dallas County, TX
Private high schools in Dallas County, TX with the highest overall grades. Top 29 of 29 schools.
#2 Best Private High Schools in Dallas County, TX
The Westwood School
Montessori school · Grades Pre-K–12
100% of graduates go to four-year colleges
Dallas, TX
A+Overall grade216 students6 students per teacher
#3 Best Private High Schools in Dallas County, TX
Episcopal School of Dallas PK-12
Episcopal school · Grades Pre-K–12
Smaller classes than 93% of Christian schools in Texas
Dallas, TX
A+Overall grade1,117 students5 students per teacher
#4 Best Private High Schools in Dallas County, TX
The Cambridge School of Dallas
Christian school (nondenominational) · Grades 5–12
100% of graduates go to four-year colleges
Dallas, TX
A+Overall grade120 students7 students per teacher
#5 Best Private High Schools in Dallas County, TX
Cistercian Preparatory School
Independent Catholic school · Grades 5–12
Smaller classes than 84% of Catholic schools in Texas
Irving, TX
A+Overall gradeAll boys352 students7 students per teacher
#6 Best Private High Schools in Dallas County, TX
Islamic School of Irving
Islamic school · Grades Pre-K–12
One of the 3 largest private schools in Texas
Irving, TX
A+Overall grade749 students9 students per teacher
#7 Best Private High Schools in Dallas County, TX
The Westwood School
Montessori school · Grades Pre-K–12
100% of graduates go to four-year colleges
Dallas, TX
A+Overall grade216 students6 students per teacher
#8 Best Private High Schools in Dallas County, TX
Alcuin School
Montessori school · Grades Pre-K–12
The largest of 110 Montessori schools in Texas
Dallas, TX
A+Overall grade422 students8 students per teacher
#9 Best Private High Schools in Dallas County, TX
Bishop Dunne Catholic School
Diocesan school · Grades 6–12
Smaller classes than 60% of Catholic schools in Texas
Dallas, TX
A+Overall grade395 students9 students per teacher
#10 Best Private High Schools in Dallas County, TX
Fairhill School
Independent school · Grades 1–12
Smaller classes than 86% of independent schools in Texas
Dallas, TX
A+Overall grade100 students4 students per teacher
#11 Best Private High Schools in Dallas County, TX
The Hockaday School
Independent school · Grades Pre-K–12
The largest independent school in Dallas
Dallas, TX
A+Overall gradeAll girls1,090 students9 students per teacher
#12 Best Private High Schools in Dallas County, TX
Bishop Lynch High School
Diocesan school · Grades 9–12
One of the 3 largest Catholic schools in Texas
Dallas, TX
A+Overall grade1,002 students11 students per teacher
#13 Best Private High Schools in Dallas County, TX
The Highlands School
Independent Catholic school · Grades Pre-K–12
99% of graduates go to four-year colleges
Irving, TX
A+Overall grade344 students10 students per teacher
#14 Best Private High Schools in Dallas County, TX
I a N T Quranic Academy
Islamic school · Grades Pre-K–12
100% of graduates go to four-year colleges
Richardson, TX
A+Overall grade355 students8 students per teacher
#15 Best Private High Schools in Dallas County, TX
Lakehill Preparatory School
Independent school · Grades K–12
100% of graduates go to four-year colleges
Dallas, TX
A+Overall grade419 students7 students per teacher
#16 Best Private High Schools in Dallas County, TX
Dallas Christian School
Christian school (nondenominational) · Grades K–12
100% of graduates go to four-year colleges
Mesquite, TX
AOverall grade512 students10 students per teacher
#17 Best Private High Schools in Dallas County, TX
First Baptist Academy Dallas
Baptist school · Grades Pre-K–12
93% of graduates go to four-year colleges
Dallas, TX
AOverall grade342 students10 students per teacher
#18 Best Private High Schools in Dallas County, TX
The Covenant School
Christian school (nondenominational) · Grades K–12
100% of graduates go to four-year colleges
Dallas, TX
AOverall grade717 students8 students per teacher
#19 Best Private High Schools in Dallas County, TX
St. Cecilia Catholic School
Diocesan school · Grades 5–12
100% of graduates go to four-year colleges
Dallas, TX
AOverall gradeAll boys352 students10 students per teacher
#20 Best Private High Schools in Dallas County, TX
Akiba Yavneh Academy
Jewish day school · Grades Pre-K–12
100% of graduates go to four-year colleges
Dallas, TX
AOverall grade337 students8 students per teacher
#21 Best Private High Schools in Dallas County, TX
Dallas Lutheran School
Lutheran (Missouri Synod) school · Grades 7–12
97% of graduates go to four-year colleges
Dallas, TX
A-Overall grade127 students11 students per teacher
#22 Best Private High Schools in Dallas County, TX
The Covenant School of Dallas
Christian school (nondenominational) · Grades K–12
98% of graduates go to four-year colleges
Dallas, TX
BOverall grade714 students8 students per teacher
#23 Best Private High Schools in Dallas County, TX
Garland Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
The largest Christian school in Garland
Garland, TX
BOverall grade362 students14 students per teacher
#24 Best Private High Schools in Dallas County, TX
First Baptist Academy of Dallas
Baptist school · Grades Pre-K–12
93% of graduates go to four-year colleges
Dallas, TX
BOverall grade376 students11 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.