Project-based learning has a reputation problem. Teachers hear "PBL" and picture three weeks of chaos, a poster board, and a grade nobody can defend. Done well, it looks nothing like that.
The difference is mostly planning. So here is a reading list, in the order you'll need it, pulled from two free sites: Project-Based and Elevate the Norm.
Step 1: Get clear on what PBL is
Definition of Project-Based Learning: the line between real PBL and "a project at the end of the unit."
What Is Project-Based Learning?: a shorter take, written for teachers new to the idea.
PBL in Middle School vs. High School: what changes as students get older, and what doesn't.
Step 2: Plan the unit
How to Write a Driving Question, plus 50 more in driving question examples
Step 3: Launch it and keep it moving
PBL Entry Events: the hook that makes students care on day one.
Common PBL Mistakes: read this one before the project, not after.
Step 4: Assess it fairly
Rubric for Project-Based Learning: scoring process and product without a checklist students can game.
Project-Based Learning and Standardized Tests: yes, they can live together.
Student Exhibition Night: the public audience that makes the work matter.
Stuck on something specific?
The PBL Question Desk answers common questions in plain language, and the longer answers live on Elevate the Norm's PBL questions page. For ten ready-to-run history units, see history project ideas.
One piece of advice to carry into all of it: the project isn't the dessert after the unit. The project is the unit.
Want it ready to print
Everything above is free. If you'd rather skip the prep, my TPT store, Teacher Emergency Toolkit, has print-ready packs for grades 6–12, including a free resources shelf and teacher forms and templates.
Need a warm-up for tomorrow? A new set of free bell ringers goes up every morning at Daily Bell Ringers.