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Rachel Stack

Rachel serves as Great Minds' Chief Academic Officer. She leads a team of teacher–writers who craft coherent, knowledge-rich content. Rachel joined Great Minds in 2015 after serving as vice president, Literacy Content and Instruction, for Scholastic Education. She has more than decade of experience as a teacher. Rachel began her career teaching third and eighth grade in New York City. She then taught high school world and American literature in Pittsburgh. Rachel received a bachelor’s degree in English literature from Vassar College as well as a master’s degree in secondary education from Hunter College, City University of New York.

Rachel Stack

Helping Students Read Entire Books

Why does it matter that students read an entire book instead of hopping from one short passage to the next? In this episode, Doug Lemov, Colleen...

Achievement Descriptors and Student Understanding in California

You’ve heard it before: Mastery builds over time. But what does that look like? Eureka Math² California Achievement Descriptors (ADs) detail how...

Data Science: The Importance of Incorporating Data into Everyday Instruction in California Classrooms

Every second, Google processes about 99,000 searches, which is a testament to the amount of data right at our fingertips (Flensted 2024). The amount...

Eureka Math² California earns approval from the California State Board of Education

Washington, D.C., Nov. 11, 2025 -- The California State Board of Education has approved Eureka Math² California® for kindergarten through Algebra 1.

Classroom Strategies that Build Confident Student Writers

Classroom Strategies that Build Confident Student Writers

From Evidence to Impact: What Susan Neuman’s Research Teaches Us About Product, Partnership, and What Comes Next

For decades, the education field has cycled through the same core questions: What works in reading? How do we close opportunity gaps? Why do so many...

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