Undercroft Montessori School
Montessori school · Grades Pre-K–8
Tulsa, OK
3745 S Hudson Ave, Tulsa, OK 74135
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- B+Years serving families
- A-Diversity
What stands out
- Growing: enrollment up 17% since 2015–16
- Small classes: about 7 students per teacher
Undercroft Montessori School is a Montessori school in Tulsa, Oklahoma, for students from pre-K through 8th grade. It has about 183 students and around 7 students per teacher. Enrollment has grown about 17% since 2015–16. Students attend about 7.5 hours a day, 169 days a year. Oklahoma has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 183
- Teachers
- 27 (full-time equivalent)
- Students per teacher
- 6.8
- Boys and girls
- Coed · 101 girls, 82 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Montessori
- School day
- About 7.5 hours
- School year
- 169 days
Reviews
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How it compares
- Larger than 96% of Montessori elementary schools nationwide.
- Compared with 975 Montessori elementary schools nationwide.
Students by survey year
Total students reported in official records since 2015–16.
Students by grade
Student body
Member of
- American Montessori Society
- A state or regional independent school association
Help paying tuition in Oklahoma
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Undercroft Montessori School whether it takes part.
- Parental Choice Tax Credit · Tax credit or deduction
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?
Questions about Undercroft Montessori School
What grades does Undercroft Montessori School serve?
Undercroft Montessori School serves grades Pre-K–8.
How many students attend Undercroft Montessori School?
About 183 students, with 7 students per teacher, according to official records.
How much is tuition at Undercroft Montessori School?
Call the school to ask about tuition, financial aid and payment plans. Oklahoma 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
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