Insights

Large-scale hiring Sub Teacher Source works with 201-500 employees and a revenue range of 50M-100M, indicating a mature operation with ongoing substitute staffing needs. This suggests opportunities to expand partnerships with school districts, charter networks, and private schools seeking reliable large-scale staffing solutions and bundled absence management across multiple campuses.

Education sector focus Specialization in educational staffing for public, private, and charter schools positions STS to cross-sell related services such as training, onboarding programs, and temporary-to-permanent placement for substitute teachers, as well as regional expansion within education administration programs.

Tech-enabled efficiency With a tech stack featuring HubSpot analytics and content hub, AWS, Azure, Cloudflare, and a dedicated absence management system, STS can pitch value in enhanced data-driven staffing, streamlined onboarding, and scalable support for districts facing substitute shortages.

Strategic partnerships STS’s established connections across public, private, and charter schools create upsell opportunities for integrated workforce solutions, including scheduling optimization, real-time substitution analytics, and premium support for high-need schools during peak substitute periods.

Growth and benchmarking The company’s revenue position relative to industry peers suggests room to pursue RFPs and large district contracts, as well as geographic and market segment expansion to capture additional market share in the substitute teaching market.

Similar companies to Sub Teacher Source

Sub Teacher Source Tech Stack

Sub Teacher Source uses 8 technology products and services including HubSpot Analytics, Amazon Web Services, Cloudflare, and more. Explore Sub Teacher Source's tech stack below.

Sub Teacher Source's Email Address Formats

Sub Teacher Source uses at least 2 email formats:
Sub Teacher Source Email FormatsExamplePercentage
First@isscompanies.comJohn@isscompanies.com
87%
FLast@isscompanies.comJDoe@isscompanies.com
13%

Frequently Asked Questions

What is Sub Teacher Source's phone number?

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You can contact Sub Teacher Source's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sub Teacher Source's official website and social media links?

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Sub Teacher Source's official website is subteachersource.com and has social profiles on LinkedIn.

How much revenue does Sub Teacher Source generate?

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As of September 2026, Sub Teacher Source's annual revenue is estimated to be $50M - $100M.

What is Sub Teacher Source's NAICS code?

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Sub Teacher Source's NAICS code is 92311 - Administration of Education Programs.

How many employees does Sub Teacher Source have currently?

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As of September 2026, Sub Teacher Source has approximately 271 employees across 2 continents, including North America and Asia. Key team members include Director Of Substitute Training And Professional Development: D. J., Substitute Lead Teacher: L. M. and Temporary Substitute Teacher: E. T. Explore Sub Teacher Source's employee directory with LeadIQ.

What industry does Sub Teacher Source belong to?

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Sub Teacher Source operates in the Education Administration Programs industry.

What technology does Sub Teacher Source use?

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Sub Teacher Source's tech stack includes HubSpot Analytics, Amazon Web Services, Cloudflare, HubSpot Content Hub, Microsoft 365, parallax.js, Microsoft Azure and Animate.css.

What is Sub Teacher Source's email format?

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Sub Teacher Source's email format typically follows the pattern of First@isscompanies.com. Find more Sub Teacher Source email formats with LeadIQ.

When was Sub Teacher Source founded?

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Sub Teacher Source was founded in 2016.
Sub Teacher Source logo

Sub Teacher Source

Education Administration ProgramsMichigan, United States201-500 Employees

Sub Teacher Source is a mid-sized educational staffing firm that connects substitute teachers with K-12 schools in need, including public, private, and charter institutions. It operates in the education administration sector and relies on an absence management system to streamline the process of replacing regular teachers when absences occur. The company is based in Southfield, Michigan. 

Its customers are schools seeking reliable substitute coverage to maintain instructional continuity. By facilitating connections between schools and substitute teachers, Sub Teacher Source addresses staffing gaps and absence management needs within the educational landscape. More information is available on its website.

Section iconCompany Overview

Phone number
NAICS Code
92311 - Administration of Education Programs
Founded
2016
Employees
201-500

Section iconFunding & Financials

  • $50M - $100M

    Sub Teacher Source's revenue is estimated to be in the range of $50M - $100M

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