#1 Best Catholic Schools in the Diocese of Buffalo
Mount St. Mary Academy
Independent Catholic school · Grades 9–12
The smallest classes of any Catholic school in Buffalo
Buffalo, NY
A+Overall gradeAll girls216 students8 students per teacher
2026 lists
Best Catholic Schools in the Diocese of Buffalo
The highest-graded schools of this kind in the Diocese of Buffalo. Top 30 of 30 schools.
#2 Best Catholic Schools in the Diocese of Buffalo
Mount Mercy Academy
Independent Catholic school · Grades 9–12
Smaller classes than 86% of Catholic schools in New York
Buffalo, NY
A+Overall gradeAll girls180 students8 students per teacher
#3 Best Catholic Schools in the Diocese of Buffalo
Catholic Academy West Buffalo
Diocesan school · Grades Pre-K–8
Smaller classes than 61% of Catholic schools in New York
Buffalo, NY
A+Overall grade170 students11 students per teacher
#4 Best Catholic Schools in the Diocese of Buffalo
Our Lady of Victory School
Parish school · Grades Pre-K–8
The only Catholic school in Lackawanna
Lackawanna, NY
A+Overall grade100 students7 students per teacher
#5 Best Catholic Schools in the Diocese of Buffalo
Cardinal O'Hara High School
Independent Catholic school · Grades 9–12
Smaller classes than 83% of Catholic schools in New York
Tonawanda, NY
A+Overall grade181 students9 students per teacher
#6 Best Catholic Schools in the Diocese of Buffalo
Christ the King Elementary School
Parish school · Grades Pre-K–8
Smaller classes than 76% of Catholic schools in New York
Amherst, NY
A+Overall grade117 students9 students per teacher
#7 Best Catholic Schools in the Diocese of Buffalo
St. John Vianney School
Diocesan school · Grades Pre-K–8
Smaller classes than 89% of Catholic schools in New York
Orchard Park, NY
A+Overall grade108 students6 students per teacher
#8 Best Catholic Schools in the Diocese of Buffalo
St. John the Baptist School
Diocesan school · Grades Pre-K–8
Smaller classes than 88% of Catholic schools in New York
Alden, NY
A+Overall grade102 students7 students per teacher
#9 Best Catholic Schools in the Diocese of Buffalo
St. Marys School
Diocesan school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in New York
East Amherst, NY
AOverall grade163 students9 students per teacher
#10 Best Catholic Schools in the Diocese of Buffalo
Stella Niagara Education Park
Independent Catholic school · Grades Pre-K–8
Smaller classes than 93% of Catholic schools in New York
Stella Niagara, NY
AOverall grade113 students6 students per teacher
#11 Best Catholic Schools in the Diocese of Buffalo
Catholic Academy of Niagara Falls
Diocesan school · Grades Pre-K–8
Smaller classes than 68% of Catholic schools in New York
Niagara Falls, NY
AOverall grade119 students10 students per teacher
#12 Best Catholic Schools in the Diocese of Buffalo
St. Mark School
Diocesan school · Grades Pre-K–8
Serving families in Buffalo since at least 2011
Buffalo, NY
AOverall grade362 students11 students per teacher
#13 Best Catholic Schools in the Diocese of Buffalo
St. Christopher Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 69% of Catholic schools in New York
Tonawanda, NY
AOverall grade223 students10 students per teacher
#14 Best Catholic Schools in the Diocese of Buffalo
Desales Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in New York
Lockport, NY
AOverall grade235 students9 students per teacher
#15 Best Catholic Schools in the Diocese of Buffalo
Bishop Timon-St. Jude High School
Independent Catholic school · Grades 9–12
Smaller classes than 64% of Catholic schools in New York
Buffalo, NY
AOverall gradeAll boys279 students11 students per teacher
#16 Best Catholic Schools in the Diocese of Buffalo
St. Peter and Paul School
Diocesan school · Grades Pre-K–8
Smaller classes than 99% of Catholic schools in New York
Williamsville, NY
AOverall grade65 students4 students per teacher
#17 Best Catholic Schools in the Diocese of Buffalo
Northern Chautauqua Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in New York
Dunkirk, NY
AOverall grade138 students9 students per teacher
#18 Best Catholic Schools in the Diocese of Buffalo
St. Stephen School
Diocesan school · Grades K–8
Smaller classes than 80% of Catholic schools in New York
Grand Island, NY
A-Overall grade133 students8 students per teacher
#19 Best Catholic Schools in the Diocese of Buffalo
St. Marys Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 70% of Catholic schools in New York
Lancaster, NY
A-Overall grade206 students10 students per teacher
#20 Best Catholic Schools in the Diocese of Buffalo
St. Benedict School
Parish school · Grades Pre-K–8
Growing: enrollment up 117% since 2011–12
Amherst, NY
B+Overall grade325 students13 students per teacher
#21 Best Catholic Schools in the Diocese of Buffalo
Nativity of the Blessed Virgin Mary School
Diocesan school · Grades Pre-K–8
Smaller classes than 62% of Catholic schools in New York
Williamsville, NY
B+Overall grade152 students11 students per teacher
#22 Best Catholic Schools in the Diocese of Buffalo
Southtowns Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 77% of Catholic schools in New York
Lake View, NY
B+Overall grade119 students8 students per teacher
#23 Best Catholic Schools in the Diocese of Buffalo
St. Josephs Collegiate Institute
Independent Catholic school · Grades 9–12
The largest Catholic school in Buffalo
Buffalo, NY
B+Overall gradeAll boys647 students14 students per teacher
#24 Best Catholic Schools in the Diocese of Buffalo
St. Marys High School
Independent Catholic school · Grades 9–12
95% of graduates go to four-year colleges
Lancaster, NY
B+Overall grade406 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.