i-Ready vs Guild
Side-by-side comparison of AI visibility scores, market position, and capabilities
K-8 adaptive diagnostic and instructional program for reading and math used in 40%+ of US school districts. North Billerica MA, by Curriculum Associates.
About
i-Ready is an adaptive diagnostic and instructional program for K-8 reading and mathematics developed by Curriculum Associates, headquartered in North Billerica, Massachusetts. i-Ready is one of the most widely deployed educational assessment and intervention tools in US K-12 education, used in more than 40 percent of American school districts and serving tens of millions of students annually. The program combines a highly accurate adaptive diagnostic assessment with a personalized online instructional program, providing teachers and administrators with a complete picture of student reading and math performance along with targeted learning activities to address identified gaps.\n\nThe i-Ready diagnostic adapts its questions in real time to quickly and accurately identify each student's working level across specific skill domains — reading foundational skills, language, informational text, literary text, number and operations, algebra and algebraic thinking, measurement and data, and geometry — providing domain-level scores alongside an overall grade-level placement. This detailed diagnostic data is widely used by districts for universal screening, progress monitoring, and meeting federal requirements for identifying students who need intervention. The accompanying instructional program provides personalized online lessons targeted to each student's diagnostic results.\n\nCurriculum Associates has invested heavily in the research base for i-Ready, publishing studies demonstrating the diagnostic's predictive validity and the learning gains associated with the instructional program. i-Ready competes with Lexia, DreamBox, MAP Growth by NWEA, and STAR assessments by Renaissance Learning in the adaptive assessment and intervention market. Its dual function as both a diagnostic screener and instructional tool — combined with its extraordinary market penetration — make it one of the most influential platforms in US K-12 education.
Employer-sponsored education and career mobility platform (rebranded from Guild Education Apr 2023); $725M raised; peak $4.4B valuation; saved learners $1B+ in tuition in 2024; new CEO Bijal Shah.
About
Guild (formerly Guild Education) is a career mobility and employer-sponsored education platform that connects large employers with education and training providers to offer workers tuition-free skill development and career advancement programs. Founded in 2015 by Rachel Romer and Brittany Stich in Denver, Colorado, Guild partners with Fortune 500 and large enterprise employers — including Walmart, Disney, Chipotle, Lowe's, and others — to administer education benefits that enable front-line and hourly workers to pursue degrees, certifications, and skills programs without cost. Guild handles benefit administration, learner support, school partnerships, and career navigation on behalf of employers, helping businesses reduce turnover and promote internal mobility.
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