Insights

Expanding Client Base Substitute Teacher Service, Inc. serves over 80 school districts across Pennsylvania, indicating a broad and established school district client base that could be receptive to additional staffing solutions or expanded service offerings.

Financial Opportunity With revenues estimated between 100 and 250 million dollars, the company presents a substantial market size, suggesting ample sales opportunities in providing supplementary educational staffing or related administrative services.

Security & Compliance Recent issues related to data breaches and legal challenges highlight the importance of offering solutions focused on data security, compliance, and risk mitigation, which could position your offerings as value-added support tools.

Growth Potential Given the company's focus on providing professional growth opportunities for substitutes, there is potential to introduce training, certification programs, or technology platforms aimed at enhancing substitute staff quality and retention.

Competitive Landscape STS operates in a competitive environment with notable players like Edustaff and Kelly Education, providing opportunities to differentiate your solutions through innovative staffing technology, data security, or personalized support services tailored for education administration.

Substitute Teacher Service, Inc. Tech Stack

Substitute Teacher Service, Inc. uses 8 technology products and services including Facebook Pixel, Cloudflare, HubSpot Content Hub, and more. Explore Substitute Teacher Service, Inc.'s tech stack below.

Facebook Pixel

Analytics

Cloudflare

Content Management System

HubSpot Content Hub

Content Management System

Goober

Javascript Libraries

HSTS

Security

Piwik

System Analytics & Monitoring

HTTP/3

Web & Portal Technology

Adobe Fonts

Web Fonts

Substitute Teacher Service, Inc. Email Formats	Example	Percentage
F.Last@thesubservice.com	J.Doe@thesubservice.com	66%
Last@thesubservice.com	Doe@thesubservice.com	26%
First.Last@thesubservice.com	John.Doe@thesubservice.com	8%

Substitute Teacher Service, Inc. Email Formats

Example

Percentage

F.Last@thesubservice.com

J.Doe@thesubservice.com

66%

Last@thesubservice.com

Doe@thesubservice.com

26%

First.Last@thesubservice.com

John.Doe@thesubservice.com

Frequently Asked Questions

Where is Substitute Teacher Service, Inc.'s headquarters located?

Substitute Teacher Service, Inc.'s main headquarters is located at 2901 Dutton Mill Road Suite 200 Aston, Pennsylvania 19014 United States. The company has employees across 4 continents, including North AmericaEuropeAsia.

What is Substitute Teacher Service, Inc.'s phone number?

You can contact Substitute Teacher Service, Inc.'s main corporate office by phone at

+1-610-565-****

. 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 Substitute Teacher Service, Inc.'s official website and social media links?

Substitute Teacher Service, Inc.'s official website is thesubservice.com and has social profiles on LinkedIn.

What is Substitute Teacher Service, Inc.'s SIC code NAICS code?

Substitute Teacher Service, Inc.'s SIC code is 7363 - Help Supply Services NAICS code is 92311 - Administration of Education Programs.

How many employees does Substitute Teacher Service, Inc. have currently?

As of February 2026, Substitute Teacher Service, Inc. has approximately 1.8K employees across 4 continents, including North AmericaEuropeAsia. Key team members include Vice President Chief Financial Officer: M. G.Vice President Of Operations And Technology: K. K.President: J. G.. Explore Substitute Teacher Service, Inc.'s employee directory with LeadIQ.

What industry does Substitute Teacher Service, Inc. belong to?

Substitute Teacher Service, Inc. operates in the Education Administration Programs industry.

What technology does Substitute Teacher Service, Inc. use?

Substitute Teacher Service, Inc.'s tech stack includes Facebook PixelCloudflareHubSpot Content HubGooberHSTSPiwikHTTP/3Adobe Fonts.

What is Substitute Teacher Service, Inc.'s email format?

Substitute Teacher Service, Inc.'s email format typically follows the pattern of F.Last@thesubservice.com. Find more Substitute Teacher Service, Inc. email formats with LeadIQ.

When was Substitute Teacher Service, Inc. founded?

Substitute Teacher Service, Inc. was founded in 1994.

Substitute Teacher Service, Inc.

Q: What technology does Substitute Teacher Service, Inc. use?

Substitute Teacher Service, Inc.'s tech stack includes Geoapify, Facebook, Cloudflare, Adobe Fonts, Font Awesome.

Education Administration ProgramsPennsylvania, United States1001-5000 Employees

Substitute Teacher Service, Inc. (STS) proudly serves as Pennsylvania's leading provider of substitute teachers, teacher aides, and support personnel. Our primary goal is to deliver exceptional customer service while providing cost-effective solutions tailored to meet the diverse needs of our client school districts.

At STS, we are dedicated to providing exceptional service, ensuring that educational institutions receive professional and support personnel precisely when they need them. We prioritize the needs of both our clients and employees, offering our substitutes ample opportunities to gain valuable experience across various school districts, fostering their professional growth.

By choosing STS, school districts benefit from a seamless integration of substitute staff, minimizing disruption in the classroom and promoting continuous educational progress. Our responsive and efficient approach ensures that every placement aligns with the specific goals of each educational institution we serve.

Join the many districts that rely on STS as their go-to source for substitute teaching and support personnel. Experience the benefits of our dependable and dedicated substitute staffing solution by partnering with STS today.

Connect with us to learn more about how Substitute Teacher Service, Inc. can support your district’s needs and contribute to the success of your educational programs.

Insights

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