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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

Great Minds and Renaissance Partner to Provide a Powerful Integration of Core Math Curriculum and Assessment Data

New integrated solution connects Eureka Math²® with Renaissance assessments to streamline planning, personalize learning, and accelerate growth for...

Leading Literacy Change: Real Conversations and Classroom Shifts That Drive Student Growth

Making a shift in literacy instruction, from balanced literacy to structured, research-based practices, isn’t just a matter of swapping out...

Geodes: Research in Action

Geodes® decodables are information-rich books that engage students in reading to learn while learning to read. Developed with reading science in...

Arts & Letters + Really Great Reading Approved in Utah

December 18, 2025 —The Utah State Board of Education has approved a joint submission from Arts & Letters™, developed by Great Minds PBC® Really Great...

Embedded Professional Learning in Eureka Math²: A Practical Path to Better Outcomes

Student math achievement in the United States is at a crossroads. Despite the tireless efforts of educators, students are not reaching the level of...

Transforming Math Classrooms Through Impactful Routines: Four Consistent Structures in Eureka Math²

A lot happens in a math classroom. Students process new information, make sense of mathematical concepts, and connect ideas. But their attention can...

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