#1 Best Private Schools in the Diocese of Galveston-Houston
Incarnate Word Academy
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Houston, TX
A+Overall gradeAll girls248 students8 students per teacher
2026 lists
Best Private Schools in the Diocese of Galveston-Houston
Private schools in the Diocese of Galveston-Houston with the highest overall grades. Top 47 of 47 schools.
#2 Best Private Schools in the Diocese of Galveston-Houston
St. Ambrose School
Diocesan school · Grades Pre-K–8
Smaller classes than 89% of Catholic schools in Texas
Houston, TX
A+Overall grade231 students7 students per teacher
#3 Best Private Schools in the Diocese of Galveston-Houston
St. Francis De Sales School
Parish school · Grades Pre-K–8
Smaller classes than 85% of Catholic schools in Texas
Houston, TX
A+Overall grade208 students7 students per teacher
#4 Best Private Schools in the Diocese of Galveston-Houston
Strake Jesuit College Prep School
Independent Catholic school · Grades 9–12
The largest of 207 Catholic schools in Texas
Houston, TX
A+Overall gradeAll boys1,390 students10 students per teacher
#5 Best Private Schools in the Diocese of Galveston-Houston
St. Mary Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in League City
League City, TX
A+Overall grade217 students8 students per teacher
#6 Best Private Schools in the Diocese of Galveston-Houston
Duchesne Academy of the Sacred Heart
Independent Catholic school · Grades Pre-K–12
100% of graduates go to four-year colleges
Houston, TX
A+Overall gradeAll girls713 students8 students per teacher
#7 Best Private Schools in the Diocese of Galveston-Houston
St. John Xxiii College Prreparatory
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Katy, TX
A+Overall grade432 students11 students per teacher
#8 Best Private Schools in the Diocese of Galveston-Houston
St. Clare of Assisi Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 80% of Catholic schools in Texas
Houston, TX
A+Overall grade101 students7 students per teacher
#9 Best Private Schools in the Diocese of Galveston-Houston
St. Agnes Academy College Preparatory
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Houston, TX
A+Overall gradeAll girls934 students13 students per teacher
#10 Best Private Schools in the Diocese of Galveston-Houston
O'Connell College Preparatory School
Independent Catholic school · Grades 9–12
Smaller classes than 97% of Catholic schools in Texas
Galveston, TX
A+Overall grade80 students5 students per teacher
#11 Best Private Schools in the Diocese of Galveston-Houston
St. Jerome Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in Texas
Houston, TX
A+Overall grade125 students9 students per teacher
#12 Best Private Schools in the Diocese of Galveston-Houston
Corpus Christi Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 68% of Catholic schools in Texas
Houston, TX
A+Overall grade130 students8 students per teacher
#13 Best Private Schools in the Diocese of Galveston-Houston
True Cross Catholic School - Dickinson
Parish school · Grades K–8
Smaller classes than 87% of Catholic schools in Texas
Dickinson, TX
A+Overall grade88 students7 students per teacher
#14 Best Private Schools in the Diocese of Galveston-Houston
St. Mary Magadalene Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Humble
Humble, TX
A+Overall grade142 students10 students per teacher
#15 Best Private Schools in the Diocese of Galveston-Houston
Our Lady Queen of Peace Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Richwood since at least 2011
Richwood, TX
A+Overall grade143 students9 students per teacher
#16 Best Private Schools in the Diocese of Galveston-Houston
The Regis School of the Sacred Heart
Independent Catholic school · Grades Pre-K–8
Smaller classes than 78% of Catholic schools in Texas
Houston, TX
A+Overall gradeAll boys257 students8 students per teacher
#17 Best Private Schools in the Diocese of Galveston-Houston
Cristo Rey Jesuit College Prep School of Houston
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Houston, TX
A+Overall grade472 students12 students per teacher
#18 Best Private Schools in the Diocese of Galveston-Houston
Holy Rosary Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Rosenberg since at least 2011
Rosenberg, TX
A+Overall grade140 students10 students per teacher
#19 Best Private Schools in the Diocese of Galveston-Houston
St. Anne Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Tomball
Tomball, TX
A+Overall grade303 students10 students per teacher
#20 Best Private Schools in the Diocese of Galveston-Houston
St. Pius X High School
Parish school · Grades 9–12
100% of graduates go to four-year colleges
Houston, TX
AOverall grade558 students14 students per teacher
#21 Best Private Schools in the Diocese of Galveston-Houston
St. Edward Catholic School
Parish school · Grades Pre-K–8
Serving families in Spring since at least 2011
Spring, TX
AOverall grade206 students12 students per teacher
#22 Best Private Schools in the Diocese of Galveston-Houston
St. Helen Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Pearland
Pearland, TX
AOverall grade328 students12 students per teacher
#23 Best Private Schools in the Diocese of Galveston-Houston
Resurrection Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 90% of Catholic schools in Texas
Houston, TX
AOverall grade74 students7 students per teacher
#24 Best Private Schools in the Diocese of Galveston-Houston
St. Thomas More Parish School
Diocesan school · Grades Pre-K–8
One of the most diverse private schools in Texas
Houston, TX
AOverall grade247 students13 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.