

Progressively Incorrect
Zach Groshell
Welcome to Progressively Incorrect, a podcast about the teacher-centered and the student-centered, the traditional and the progressive, in education. Hosted by Dr. Zach Groshell on educationrickshaw.com
Episodes
Mentioned books

Jan 13, 2026 • 32min
S5E13: Mike Schmoker on How Schools Can Get Results Now
Mike Schmoker is one of the most influential voices in school improvement, urging schools to recommit to the fundamentals: coherent curriculum, strong lesson design, and authentic literacy—reading, discussion, and writing—throughout the school day. Across books like Focus and Results Now 2.0, and decades of essays and commentary, his through-line is the same: schools don’t usually … Continue reading S5E13: Mike Schmoker on How Schools Can Get Results Now

Jan 5, 2026 • 1h 1min
S5E12: Brian Poncy on Better Ways to Teach Math Facts
In this episode, I sit down with Dr. Brian Poncy to explore a claim you’ve probably heard in schools: “Teaching math facts interferes with understanding.” From there, we dig into better ways to think about math facts, what schools can do differently, and the practical decisions that show up when schools decide to take facts … Continue reading S5E12: Brian Poncy on Better Ways to Teach Math Facts

Dec 16, 2025 • 46min
S5E11: Alex Gingell on Setting the Culture and Conditions for Effective Instructional Coaching
In this episode, I sit down with Alex Gingell to unpack what it actually takes to make instructional coaching work in a school. Alex explains why his first priority wasn’t improving teaching, but stabilizing behavior, curriculum, and trust—and why coaching can only succeed once those foundations are secure. We talk through how he used Steplab … Continue reading S5E11: Alex Gingell on Setting the Culture and Conditions for Effective Instructional Coaching

Dec 10, 2025 • 25min
S5E10: Laura Doherty on the Baltimore Curriculum Project
In this episode of the Direct Instruction podcast, I’m joined by Laura Doherty, President and CEO of the Baltimore Curriculum Project (BCP)—Maryland’s largest operator of neighborhood, PK–8 public charter schools, and one of the longest-running Direct Instruction networks in the United States. For nearly three decades, BCP has been quietly doing something that many systems … Continue reading S5E10: Laura Doherty on the Baltimore Curriculum Project

Nov 23, 2025 • 56min
S5E09: Marty Siegel on Direct Instruction Engineering and the Future of EdTech
In this episode of Progressively Incorrect, I’m joined by Marty Siegel, Professor Emeritus of Informatics and Instructional Systems Technology, and a pioneer whose career bridges early Direct Instruction, large-scale computer-based learning, human–computer interaction, and the emerging world of AI-driven instruction. Marty began his career at the University of Illinois in the 1960s, right at the … Continue reading S5E09: Marty Siegel on Direct Instruction Engineering and the Future of EdTech

Nov 11, 2025 • 53min
S5E08: Doug Lemov on “What to Do” and Active Observation Techniques
In this episode of Progressively Incorrect, I’m re-joined by Doug Lemov—author of Teach Like a Champion and The Coach’s Guide to Teaching, and one of the most influential figures in the history of education. Doug has spent decades studying what the best teachers do differently—turning the art and science of teaching into something that can … Continue reading S5E08: Doug Lemov on “What to Do” and Active Observation Techniques

Oct 25, 2025 • 47min
S5E07: Denarius Frazier on Belonging, Rigor, and Scaling Effective Teaching
In this episode of Progressively Incorrect, I’m joined by Denarius Frazier—Regional Superintendent of Instruction at Uncommon Schools, co-author of Reconnect: Building School Culture for Meaning, Purpose, and Belonging, and perhaps the best teacher ever captured on film. Link to blog and video Denarius is one of the most thoughtful and influential voices in the Teach … Continue reading S5E07: Denarius Frazier on Belonging, Rigor, and Scaling Effective Teaching

Oct 19, 2025 • 57min
S5E06: Jessica Colleu Terradas & Jon Owen on Direct Instruction Without Borders
In this podcast episode, I’m joined by Jessica Colleu Terradas and Jon Owen, two international leaders bringing Engelmann’s Direct Instruction to life in Australia and the UK. This marks a milestone in the Direct Instruction Podcast—our first global double feature exploring what high-fidelity DI looks like beyond the United States. https://youtu.be/eIMhSdeOLsM?si=8w_Skb2LyMqcGg46 Jessica, based in Australia, … Continue reading S5E06: Jessica Colleu Terradas & Jon Owen on Direct Instruction Without Borders

Oct 10, 2025 • 55min
S5E05: Anna Stokke on Where Math Education Went Wrong—and How to Fix It
In this episode of Progressively Incorrect, I’m joined by Anna Stokke—mathematician, professor, and host of the Chalk & Talk podcast. Anna has become one of the most influential voices calling for a return to clarity, structure, and evidence in math instruction. We explore how her conversations on chalk & talk have shaped—and sometimes challenged—her own … Continue reading S5E05: Anna Stokke on Where Math Education Went Wrong—and How to Fix It

Sep 28, 2025 • 44min
S5E04: Marcie Samayoa on NGSS and Explicit Science Instruction
In this episode, I’m joined by Marcie Samayoa—science teacher, cognitive science enthusiast, and blogger of Scientists in the Making. Marcie shares the origin story behind her innovative classroom blog and explains how it grew out of a desire to make science learning more equitable, evidence-based, and joyful. We dive into some of the most persistent … Continue reading S5E04: Marcie Samayoa on NGSS and Explicit Science Instruction


