ChooseAPrivateSchool.com Español

St. Gregory School

Diocesan school · Grades Pre-K–8

Phoenix, AZ

3440 N 18th Ave, Phoenix, AZ 85015

Overall grade: B+

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • A-Class size
  • BYears serving families
  • ADiversity

What stands out

  • One of 16 Catholic schools in Phoenix

In Phoenix, Arizona, St. Gregory School is a Catholic diocesan school for students from pre-K through 8th grade. About 353 students attend, with roughly 16 students per teacher. Its enrollment has held steady since 2019–20. The school is part of the Diocese of Phoenix. The school day runs about 7 hours, 180 days a year. Arizona has programs that can help pay tuition; ask the school whether it takes part.

At a glance

Grades
Grades Pre-K–8
Students
353
Teachers
22 (full-time equivalent)
Students per teacher
16
Boys and girls
Coed · 170 girls, 183 boys
Religious affiliation
Catholic · Diocesan school
School day
About 7 hours
School year
180 days
Library
Yes

Reviews

Be the first to share what you love about St. Gregory School.

    How it compares

    • Larger than 73% of Catholic elementary schools in Arizona.
    • Compared with 41 Catholic elementary schools in Arizona.

    Students by survey year

    350’19–20319’21–22353’23–24

    Total students reported in official records since 2019–20.

    Students by grade

    Pre-K53
    K31
    131
    235
    336
    446
    540
    644
    740
    850

    Student body

    Hispanic or Latino65%
    White14%
    Two or more races11%
    Black5%
    Asian2%
    American Indian or Alaska Native1%
    Native Hawaiian or Pacific Islander0%

    Member of

    • National Catholic Educational Association

    Help paying tuition in Arizona

    These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Gregory School whether it takes part.

    More about Arizona's programs →

    Questions to ask on a tour

    • What is tuition, and what does it include (books, fees, uniforms, trips)?
    • Do you offer financial aid, sibling discounts or payment plans?
    • Do you accept ESA, voucher or tax-credit scholarship funds?
    • How big are classes in my child's grade?
    • What support is there for students who need extra help or more challenge?
    • Is the school accredited, and by whom?
    • What do a typical day and a typical week look like?
    • How does the school communicate with families?

    More questions to ask →

    Questions about St. Gregory School

    What grades does St. Gregory School serve?

    St. Gregory School serves grades Pre-K–8.

    How many students attend St. Gregory School?

    About 353 students, with 16 students per teacher, according to official records.

    How much is tuition at St. Gregory School?

    Call the school to ask about tuition, financial aid and payment plans. Arizona has programs that can help pay private school tuition; ask whether the school takes part.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

    Other private schools nearby

    Phoenix Christian Elementary

    Christian school (nondenominational) · Grades Pre-K–12

    One school from pre-K through 12th grade

    Phoenix, AZ0.3 mi

    B-Overall grade485 students29 students per teacher

    The Family School

    Early childhood program · Grades Pre-K–K

    Serving families in Phoenix since at least 2011

    Phoenix, AZ1.7 mi

    A-Overall grade12 students12 students per teacher

    Valley Lutheran High School

    Lutheran (Missouri Synod) school · Grades 9–12

    92% of graduates go to four-year colleges

    Phoenix, AZ1.9 mi

    A+Overall grade137 students10 students per teacher

    Brophy College Preparatory

    Independent Catholic school · Grades 6–12

    The largest of 57 Catholic schools in Arizona

    Phoenix, AZ1.9 mi

    AOverall gradeAll boys1,402 students13 students per teacher