Insights

Targeted Schools Small team business model and K–8 STEM curriculum present opportunities to partner with schools, homeschool networks, and after-school programs seeking scalable science instruction across regions including the U.S., Australia, Canada, Europe, India, Japan, and Korea.

Curriculum as Upsell Existing assets include textbooks, workbooks, teacher guides, hands-on experiments, digital memberships, and free resources, enabling cross-sell of add-on digital licenses, teacher professional development, and classroom kits.

Global Reach International footprint suggests potential for multi-market licensing, localization partnerships, and channel sales with distributors or edtech integrators to expand beyond current markets.

Affordability Play Revenue range and scalable online offerings indicate opportunities for tiered pricing, bundle deals for schools and districts, and subscription models to increase customer lifetime value.

Technology Enablement Tech stack including WordPress, Shopify, and digital payments points to ready-to-activate e-commerce and digital marketing collaborations, plus potential for targeted ad campaigns and CRM-driven lead nurturing.

Similar companies to RS4K

RS4K Tech Stack

RS4K uses 8 technology products and services including Google Ads, iCIMS, WordPress, and more. Explore RS4K's tech stack below.

RS4K's Email Address Formats

RS4K uses at least 1 email format:
RS4K Email FormatsExamplePercentage
First@gravitaspublications.comJohn@gravitaspublications.com
100%

Frequently Asked Questions

What is RS4K's phone number?

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You can contact RS4K'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 RS4K's official website and social media links?

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RS4K's official website is rs4k.com and has social profiles on LinkedIn.

How much revenue does RS4K generate?

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As of August 2026, RS4K's annual revenue is estimated to be $1M - $10M.

What is RS4K's NAICS code?

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RS4K's NAICS code is 511 - Publishing Industries (except Internet).

How many employees does RS4K have currently?

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As of August 2026, RS4K has approximately 3 employees across 1 continents, including North America. Key team members include Chief Executive Officer: R. W., Vice President Customer Support: T. G. and Educational Outreach Director: D. G. Explore RS4K's employee directory with LeadIQ.

What industry does RS4K belong to?

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RS4K operates in the Book and Periodical Publishing industry.

What technology does RS4K use?

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RS4K's tech stack includes Google Ads, iCIMS, WordPress, Shopify, Apple Pay, Google Pay, PayPal and Piwik PRO Core.

What is RS4K's email format?

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RS4K's email format typically follows the pattern of First@gravitaspublications.com. Find more RS4K email formats with LeadIQ.

When was RS4K founded?

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RS4K was founded in 2003.
RS4K logo

RS4K

Book and Periodical PublishingArizona, United States2-10 Employees

RS4K, part of Gravitas Publications Inc., delivers an atoms-first science curriculum designed for K–8 learners. The program covers chemistry, biology, physics, geology, and astronomy through textbooks, workbooks, teacher guides, and hands-on experiments, aiming to foster curiosity and a solid foundational understanding of science. Its target customers include classrooms, homeschools, and after-school programs across multiple regions, offering a worldview-neutral approach that emphasizes clear explanations and engaging activities.
Based in Tempe, Arizona, RS4K has been operating since 2003 and presents itself as an educational resource that supports teachers and students in developing scientific literacy and practical problem-solving skills. The company supplies a structured sequence for introducing core scientific concepts and provides resources such as digital memberships and free experiments, accessible to communities in the United States and internationally.

Section iconCompany Overview

Phone number
Website
rs4k.com
NAICS Code
511 - Publishing Industries (except Internet)
Founded
2003
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    RS4K's revenue is estimated to be in the range of $1M - $10M

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