Company lists · Data refreshed November 2026

Top 20 K-12 private schools based in St. Louis, United States

RevenueBase identified 30 company matches for k-12 private schools associated with St. Louis, United States as of November 2026 and tracks 1,546 professional contacts across them, including 505 with verified work emails. Across the United States, New York is the largest hub for this category (92 companies); St. Louis has 30.

This list covers company matches for k-12 private schools associated with St. Louis, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
30Companies
1,546Contacts tracked
505Verified emails
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The 20 largest k-12 private schools based in St. Louis, United States

Ranked by team size
Top 20 of 30 company matches for k-12 private schools based in St. Louis, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 2026201-500255 contacts →

Exact match

“Early innovators in education, Mary Institute and Saint Louis Country Day School combined their rich histories in 1992.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-200191 contacts →

Exact match

“Community School is an independent elementary and preschool serving families with children age 3 through sixth grade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“Since 1952, Whitfield School has been more than a college preparatory institution, it's a close-knit community where kindness and trust are the foundation of everything we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“Visitation Academy is an independent, Catholic school offering a coeducational early childhood program and an all-girls environment in Grades 1-12.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 2026201-500104 contacts →

Exact match

“Principia School is an independent, co-educational college preparatory school offering innovative, future-focused programs for students in preschool through grade 12.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Forsyth School provides an unforgettable experience for children age 2 through Grade 6.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Lutheran South is a co-educational, private, Christian school serving 575 students in grades 9 through 12 who live in St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Central Christian School educates children ages 3 through 6th Grade in the greater St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“City Academy transforms children, families, and our community through exceptional education and bold expectations that empower children to overcome barriers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Rossman School is a coeducational independent preparatory school for students ages 4 through Grade 6, nestled on a 20-acre campus in St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“North Side Community School is a free public school with open enrollment for children in pre-kindergarten through eighth grade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Crossroads College Preparatory School is an independent, co-educational college preparatory school for grades 6 through 12.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“The Soulard School is a free public charter school serving St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“The Freedom School is an urban, private, Christian elementary school serving 134 students, Pre-Kindergarten (3 years-old) through 5th grade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“In Lift For Life Academy (LFLA) became the first independent charter middle school to open in the City of St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“The Waldorf School of St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Victory Christian Academy, in St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 20 of 30 k-12 private schools based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 505 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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K-12 private schools based in St. Louis, United States at a glance

As of Nov 6, 2026
32.7%Verified-email coverage
51.5Average contacts per company
51-200Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
6
11-50
8
51-200
13
201-500
3

Email recency for this list is measured across the whole United States list rather than for St. Louis, so it is reported there. Company counts and contact totals on this page are exact for St. Louis, over 30 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with St. Louis, United States whose business descriptions match “k-12 private schools” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 505 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “k-12 private schools”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many k-12 private schools are there based in St. Louis, United States?

RevenueBase identified 30 company matches for k-12 private schools associated with St. Louis, United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Mary Institute And St. Louis Country DAY School Micds tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most k-12 private schools?

New York leads the United States with 92 company records, followed by Houston (81) and Chicago (66). St. Louis has 30.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 505 professional contacts with verified work emails tracked across these 30 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.