Sirius Education Solutions
E-Learning ProvidersTexas, United States11-50 Employees
Sirius Education Solutions is a Texas-based e-learning publisher that focuses on supplemental TEKS-aligned instructional materials for STAAR-tested courses. It offers print, digital, and blended resources for all 20 STAAR-tested subjects from grade 3 through End-of-Course, blending TEKS instruction with authentic STAAR practice. As part of the MasteryPrep family, the company extends its reach to a national suite of test readiness and college-prep solutions, and has helped more than 700 Texas districts align curriculum with STAAR 2.0. Based in Austin, Texas, Sirius operates with a small to mid-sized team that includes teachers and content and test-item writing experts. In 2025, Sirius Education Solutions LLC was acquired by MasteryPrep LLC, expanding STAAR and assessment-prep offerings for Texas schools.