| # | Company | Employees |
|---|---|---|
| 1 |
Springfield Missouri Public Schoolssps.org
Leading public school district in Missouri, offering academic excellence to over 25,000 students through diverse programs including IB, WOLF, and Middle College |
2,901 |
| 2 |
Saint Louis Public Schoolsslps.org
Providing quality education to students in the St Louis region, aiming to become a national leader in student achievement and teacher quality |
2,721 |
| 3 |
Rockwood School Districtrockwood.k12.mo.us
The company is a part of Rockwood School District in St Louis County, Missouri, providing high quality education to about 22,000 students |
2,168 |
| 4 |
Hazelwood School Districthazelwoodschools.org
Public school district in suburban St. Louis educating over 18,000 students across multiple schools with focus on academic growth. |
1,846 |
| 5 |
Columbia Public Schoolscpsk12.org
A district accredited with distinction in Missouri, providing excellent education from preschool to adult career education with a focus on excellence |
1,642 |
| 6 |
Francis Howell School Districtfhsdschools.org
A large school district in St Charles County, Missouri, providing education to nearly 18,000 students across various municipalities and unincorporated areas |
1,591 |
| 7 |
Park Hill School Districtparkhill.k12.mo.us
A school district in Missouri's Platte County area, uniting eight towns with ten elementary schools, three middle schools, and two high schools known for excellence |
1,557 |
| 8 |
Lee's Summit R-7 School Districtlsr7.org
The Lee's Summit R-7 School District provides quality education from pre-K to 12th grade, with a focus on academic innovation and success for all students |
1,202 |
| 9 |
St. Joseph School Districtsjsd.k12.mo.us
A public school district in St Joseph, MO serving over 10,000 students across multiple levels with a focus on preparing students for success |
736 |
| 10 |
Vatterott Collegevatterott.edu
A provider of career training programs in various fields, serving students across multiple locations and online, focused on enhancing career skills |
633 |
| 11 |
Lindbergh Schoolslindberghschools.ws
A public school district in south St Louis County, Missouri focused on academic achievement, character development, and providing high educational value |
609 |
| 12 |
Fort Osage School Districtfortosage.net
A school district in Eastern Jackson County serving a mix of rural, small town, and suburban communities, named after the historic Fort Osage |
515 |
| 13 |
Little Sunshine's Playhouselittlesunshine.com
Providing a safe, nurturing, and enriching environment, this preschool offers a Reggio Emilia inspired curriculum with unique facilities and distinctive services |
491 |
| 14 |
State Fair Community Collegegosfcc.com
A public college in west central Missouri offering affordable education, small classes, and diverse locations including online courses Accredited by the Higher Learning Commission |
487 |
| 15 |
St. Mary's High Schoolstmaryshs.com
An all-male high school in St Louis, Missouri offering a comprehensive curriculum to prepare students for college and post-secondary life |
477 |
| 16 |
Northland CAPSlinktr.ee
Revolutionizing high school education with a profession-based model, providing students with skills through real-world projects and mentors from various industries |
463 |
| 17 |
Poplar Bluff School Districtpoplarbluffschools.net
A school district with over 5,300 students, 400+ staff, and $46 million budget dedicated to educating students and fostering lifelong learning |
439 |
| 18 |
Sedalia School District 200sedalia200.org
A fully accredited school district in Sedalia, MO providing challenging education and a safe environment for students to become successful members of society |
408 |
| 19 |
Parents as Teachers National Centerparentsasteachers.org
Promoting early child development through evidence-based home visiting programs, supporting parents, caregivers, and professionals to ensure children are healthy, safe, and ready to learn |
360 |
| 20 |
School District of University Cityucityschools.org
The organization serves over 2,800 students in Missouri, offering modern learning experiences, well-being focus, and strong partnerships to ensure student success |
335 |
| 21 |
Pinnacle Career Institutepcitraining.edu
Practical career training institute with over 60 years of experience offering programs in trades, technical, and alternative energy industries to empower students for success |
315 |
| 22 |
Whitfield Schoolwhitfieldschool.org
Educational institution providing a coeducational, college preparatory curriculum focused on ethical development, character education, and preparing students to be global citizens |
184 |
| 23 |
Normandy Schools Collaborativenormandysc.org
A collaborative community of educators and staff dedicated to providing high-quality education to over 3,100 students with a focus on 21st Century skills |
172 |
| 24 |
Westminster Christian Academy (St. Louis)wcastl.org
An independent, coeducational college prep school in Missouri, providing a biblical worldview to over 1,000 students in grades 7-12 |
170 |
| 25 |
Summit Christian Academy-Lee's Summit, MOsummit-christian-academy.org
An independent Christian school in Kansas City offering education from preschool to 12th grade, focused on holistic student development and spiritual growth |
167 |
| 26 |
Notre Dame de Sion Schoolsndsion.edu
An independent Roman Catholic school providing high quality college preparatory education from preschool to grade 12, promoting values-based leadership in a diverse world |
160 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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