The Post Oak School
The Post Oak School is a nonprofit, AMI-accredited Montessori institution in Houston, Texas, serving approximately 480 students from 14 months through Grade 12 across two campuses, with tuition-based revenue and a continuous K-12 program culminating in an IB diploma.
- Company typePrivate
- Founded1963
- HeadquartersBellaire, United States
- Headcount51–100
- GTM typeB2C
- OfferingServices
What The Post Oak School does
The Post Oak School is a private, nonprofit Montessori institution operating across two Houston-area campuses (Bissonnet in Bellaire and Museum District in Houston), serving approximately 480 students from 14 months through Grade 12. Founded in 1963, it is among the oldest Montessori schools in the United States and is accredited by the Association Montessori Internationale (AMI), with a faculty trained in authentic Montessori pedagogy and the use of purpose-built classroom materials. The core academic product spans five program tiers — Young Children's Community, Primary, Elementary, Middle School, and High School — with the High School tier offering the International Baccalaureate (IB) diploma alongside a Montessori adolescent curriculum and access to 60 internship locations via Museum District partnerships (e.g., Houston Museum of Natural Science). Supporting revenue lines include Extended-Day/ASEP after-school enrichment, Bearkats athletics, summer school, Parent & Child classes, the Autrey Scholars merit program, and teacher training via MINT-South.
The business model is tuition-driven (annual subscription pricing from $22,580 for half-day toddlers to $37,000 for high school), supplemented by activity fees, extended care, and donations channeled through a nonprofit Board of Trustees governance structure. Approximately 10% of the operating budget funds need-based financial aid, and 16% of families receive assistance. Go-to-market is admissions-led: prospective families engage through campus tours, open houses, and direct outreach via two campus-specific Admissions Directors. Distribution is purely regional, with no online or remote enrollment channel; geographic reach spans nine Houston sub-markets including Bellaire, River Oaks, West University, Katy, Sugar Land, and Pearland. The school generates reputational differentiation through outcome metrics such as the Class of 2025 receiving $4.86M in merit-based scholarships and 1,725 middle school community service hours annually.
The Post Oak School firmographics
Firmographics- Name
- The Post Oak School
- Legal name
- The Post Oak School
- Website
- https://postoakschool.org
- Company type
- Private
- Founded year
- 1963
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- The Post Oak School is a nonprofit, AMI-accredited Montessori institution in Houston, Texas, serving approximately 480 students from 14 months through Grade 12 across two campuses, with tuition-based revenue and a continuous K-12 program culminating in an IB diploma.
- Ownership category
- akta.pro rank
The Post Oak School industry classification
Industry- Product category
- Private Montessori Education
- NAICS
- Elementary and Secondary Schools (6111), Educational Services (61)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- Montessori K–12 Schools (EDAJABAD)
- akta.pro secondary industries
- Montessori Early Learning Academies (EDACADAA), Montessori Preschools (EDACABAC)
Keywords
Where The Post Oak School is headquartered
LocationHeadquarters
- HQ city
- Bellaire
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
The Post Oak School business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Tuition and Fees: The school generates revenue primarily through tuition payments for its private Montessori education programs spanning early childhood through high school. Additional revenue comes from before and after care programs, summer school, and activity fees.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Young Children's Community (14 months-3 years) |
| Subscription | Annual | Lower Elementary (Grades 1-3) |
| Subscription | Annual | Upper Elementary (Grades 4-6) |
| Subscription | Annual | Middle School (Grades 7-8) |
| Subscription | Annual | High School (Grades 9-12) |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
The Post Oak School product offering
Product offeringCore offering
The Post Oak School provides private Montessori education for students from 14 months through 12th grade, operating two Houston-area campuses (Bissonnet Campus in Bellaire for Early Childhood through Elementary, and Museum District Campus in Houston for Middle and High School). Core academic instruction follows the authentic AMI Montessori methodology, with the High School additionally offering the International Baccalaureate (IB) diploma program. Supplemental paid offerings include Summer School, Extended-Day before/after care, and After-School Enrichment Programs (ASEP), while the school also hosts the Montessori Institute of North Texas (MINT-South) teacher training program.
Product overview
The Post Oak School is a private Montessori educational institution offering a comprehensive, unified program from early childhood (14 months) through high school (Grade 12). The core academic programs include: Young Children's Community (14 months-3 years), Primary (3-6 years), Elementary (Grades 1-6 split into Lower and Upper), Middle School (Grades 7-8), and High School (Grades 9-12 with IB diploma option). Supporting programs include the Montessori Institute of North Texas (teacher training), Parent & Child Classes, Summer School, Extended-Day Program, Bearkats Athletics, Enrichment Programs (ASEP), Clubs & Organizations, and the Autrey Scholars merit scholarship. The school operates across two campuses: Bissonnet Campus (Early Childhood through Elementary) in Bellaire, TX, and Museum District Campus (Middle & High School) in Houston's Museum District.
Differentiator
Problem solved
Functional benefit
Products and services
- Young Children's Community
Quantifiable outcome
- $4,863,360 in merit-based scholarships awarded to Class of 2025 (22 seniors)
Companies that use The Post Oak School
Customer profileNamed customers1 record
Segments5 records
Ideal customer profiles1 record
The Post Oak School technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
The Post Oak School partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- Houston Museum of Natural SciencecoreScience education partnership providing access to world-class labs and scientists. High School science lab extends to work at partner institutions, with HMNS just a 15-minute walk away. Students engage with professional scientists through this Museum District partnership.
- Texas Center for Justice and EquityminorHigh School internship partner where students learn about issues in the criminal justice system including the bail system and policing in schools.
- Nature's Classroom Institute (NCI)minorEnvironmental education partner in New Ulm, TX where Upper Elementary students (grades 4-6) attend four-day outdoor education programs focusing on team building and environmental studies.
- Camp AllenminorOvernight camp partner located northwest of Houston where Lower Elementary third graders experience their first school overnight trip with outdoor education activities.
- Montessori Institute of North Texas (MINT)coreHouston Montessori Institute (HMI) is now a satellite of MINT, serving as MINT-South. The Post Oak School hosts training courses for Montessori teachers at this location, maintaining the school's commitment to AMI standards.
Scale indicators8 records
Recent moves8 records
Expansion highlights5 records
The Post Oak School competitors and assessment
Company assessmentDirect peers
- The Kinkaid School: Premier K-12 independent school in Houston serving similar affluent Bellaire/River Oaks families. Direct competitor for high-achieving Houston students; competes on academic prestige, college outcomes, and price.
- St. John's School: Elite Houston K-12 independent school with strong college-prep outcomes. Competes head-to-head with Post Oak for the same affluent Houston family demographic at premium tuition levels.
- The Awty International School: Houston private school offering the IB diploma program and international curriculum. Most directly comparable on the IB diploma offering that Post Oak integrates into its high school.
- Episcopal High School: Houston-area K-12 private school with rigorous college-preparatory curriculum and similar affluent demographic. Competes for the same upper-tier Houston family market.
- The Barrie School: Authentic Montessori school in Silver Spring, MD serving toddler through Grade 12. The closest national comparable operating an authentic Montessori continuum at the same age range as Post Oak.
Regional players
- The John Cooper School: Independent K-12 school in The Woodlands, TX (greater Houston) serving affluent suburban families. Regional competitor drawing from the same broader Houston metro family base.
- Casady School: Independent PK-12 school in Oklahoma City with IB curriculum and similar college-prep outcomes. Comparable as a similarly sized, mission-driven independent school competing for top-decile families.
Emerging players
- Guidepost Montessori: Large Montessori school network with growing national footprint, primarily serving early childhood and elementary. Overlaps with Post Oak's Young Children's Community and Elementary programs; represents a scaled, branded competitor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
The Post Oak School social profiles
Digital presenceThe Post Oak School financial estimates
Financial estimateRevenue estimate
Valuation estimate
The Post Oak School leadership team
Management profileNumber of profiles
Profiles11 records
The Post Oak School funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
The Post Oak School M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about The Post Oak School
What does The Post Oak School do?
The Post Oak School provides private Montessori education for students from 14 months through 12th grade, operating two Houston-area campuses (Bissonnet Campus in Bellaire for Early Childhood through Elementary, and Museum District Campus in Houston for Middle and High School). Core academic instruction follows the authentic AMI Montessori methodology, with the High School additionally offering the International Baccalaureate (IB) diploma program. Supplemental paid offerings include Summer School, Extended-Day before/after care, and After-School Enrichment Programs (ASEP), while the school also hosts the Montessori Institute of North Texas (MINT-South) teacher training program.
Is The Post Oak School a public or private company?
The Post Oak School is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was The Post Oak School founded?
The Post Oak School was founded in 1963. It employs 51 to 100 people.
Where is The Post Oak School based?
The Post Oak School is headquartered in Bellaire, United States, in the North America region.
How does The Post Oak School make money?
One revenue line is on record: tuition and Fees.
Who are The Post Oak School's main competitors?
Direct peers on record are The Kinkaid School, St. John's School, The Awty International School, Episcopal High School and The Barrie School. Regional players are The John Cooper School and Casady School. Guidepost Montessori is listed as an emerging player.
Does The Post Oak School have an API?
No public API is recorded for The Post Oak School.
What industry is The Post Oak School in?
The Post Oak School's product category is Private Montessori Education. Its primary akta.pro industry code is EDAJABAD, Montessori K–12 Schools, with a secondary code of EDACADAA, Montessori Early Learning Academies. Its NAICS code is 6111 and its SIC code is 8200.