About Michael Chellman

Michael is an award-winning teacher at Bullis School in Potomac, Maryland. He has 30 years of experience with both middle and high school students. He founded ClassWise in 1996.
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Michael has written 116 articles so far, you can find them below.

“My Most Effective Assessment”

Educational Leadership, March 2014 Student-Response Technology By using technology for immediate formative assessment, I can give students timely feedback and change lessons on the fly to address student needs…. I use the Socrative student-response system to ask students multiple-choice or short-answer questions at the beginning of class about the novel they’re reading. They can use […]
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Can Students Have Too Much Tech?

By Susan Pinker, The New York Times, 1/30/15 Technology works best when deployed by a terrific, trained teacher. [In President Obama’s recent State of the Union address] there was one thing he got wrong. As part of his promise to educate American children for an increasingly competitive world, he vowed to…“extend [the Internet’s] reach to every […]
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Don’t Ask Questions (Well, Not the Usual Way)

“The Right Questions, The Right Way,” by Dylan Wiliam, Educational Leadership, March 2014  The most familiar classroom routine needs changing. It is perhaps the most familiar of all classroom routines: A teacher asks the class a question, several students raise their hands, the teacher selects one of those with a hand raised, the student gives […]
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Your Best Improvement Tool: Video

“Teachers On Screen,” by Scott Elliott, The Indianapolis Star, 7/2/13  Teachers who want to be great need to observe their own classrooms. As a video played showing first-year [Arlington HS, Indianapolis IN] English teacher Katie Bonfiglio at work, Spanish teacher Patrice Patton watched in awe. “Wow, I’ve never seen those kids behave like that in […]
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The Priceless Value of Learning

“College’s Priceless Value,” by Frank Bruni, The New York Times, 2/11/15  A nimble, adaptable intellect may be the best tool for a changeable economy. What’s the most transformative educational experience you’ve had?… I saw a woman named Anne Hall swooning and swaying as she stood at the front of a classroom in Chapel Hill, N.C., […]
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5 Big Ways Education Will Change by 2020

by Samantha Cole, Fast Company  There’s room for more innovation, but the human factor will always be important. We asked the world’s most innovative companies in education to school us on the future of the classroom, with predictions for the next five years. Here’s what we found out: 1. Students Will Interact With Others Remotely Joe Williams […]
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3 Lessons: How to Give Students Feedback

By Jill Barshay, The Hechinger Report, 1/19/15 [Michael’s note: This report is based on a “meta-analysis,” which examines the findings from many studies in order to find patterns and draw more robust conclusions.] Proponents of computerized instruction often point out that software can give instant feedback to students…. [But] educators don’t really understand how…feedback leads […]
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Best Classroom Gizmo? A Great Teacher

By Jeff Lantos, Los Angeles Times, 10/25/13  Unlike a computer, I can inspire, critique, counsel, and model good behavior. The Los Angeles Unified School District’s plan to supply every student with an iPad is, to be charitable, not going well. Before any more school districts decide to spend millions on high-tech gadgets, let me offer […]
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Home Visits

“Why Should We Fear Visiting Students’ Homes?,” by Jay Matthews, The Washington Post, 3/23/15 The effect is less misbehavior, fewer missed assignments, and gratified parents. Charters and even some regular public schools have begun to reject the traditional view that parent contacts should be confined to the phone or meetings at school…. Schools often say […]
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DEBATE: Are Research Papers a Waste of Time?

from “Room for Debate,” The New York Times, 8/28/11 NO: Papers Reveal Accuracy & Integrity of Students’ Thoughts  (by Will Fitzhugh, founder of The Concord Review, which highlights high school research papers) The Internet can supply information…but that information is manufactured. Knowledge has to be handmade by each individual…. To make knowledge…it is necessary to apply thought […]
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