Why I Built Classboard: A Free Browser-Based Whiteboard For Overstretched Teachers
It was 8:17 a.m. on a Tuesday in October, and my classroom interactive whiteboard had just died for the third time that semester. I’d spent 20 minutes the night before mapping out a fractions lesson step-by-step on it, and now the screen was just a fuzzy blue square. I dragged the portable rolling whiteboard from the back of the room to the front, wiped off the leftover poetry notes from last week, and got started. Three minutes in, Mia, who sits in the far back row by the window, raised her hand. “Ms. Henderson, I can’t read the numbers,” she said. I sighed and walked her up to the board, and by the time I got back to the front, half the class was passing around a rubber band someone found on the floor.
That’s the thing about teaching: the small, annoying problems pile up faster than the stack of ungraded reading journals on your desk. That night, I sat at my kitchen table eating cold leftover pasta and complaining to my partner, who does freelance web development, about all the garbage online whiteboard tools I’d tried. The popular ones for businesses require a login, lock basic features behind $12 a month paywalls, and are loaded with extra tools for project management that I’ll never use. The free ones have random pop-up ads—once I accidentally projected a dating site ad to my whole 4th grade class while opening a math lesson, and that’s a memory I can’t erase. Our district’s approved edtech list only has one whiteboard tool, and it costs $300 a year for a building license, which our PTA couldn’t cover this year after we re-stocked our classroom library with new diverse chapter books.
“Why can’t someone just make a simple one that works in any browser, no login, no nonsense, made just for teachers?” I asked him. He pushed his laptop across the table and said, “Let’s build it.” That’s how Classboard started: a side project built after school and on weekends, by a teacher who was tired of settling for tools that didn’t fit what I actually needed.
It’s still a work in progress, but right now, it does exactly what I needed that Tuesday morning, and a few other things that came from testing it with other local teachers. First, you don’t need an account to use it or to open a shared board. You just go to the site, and you get a blank board in two seconds flat. That’s a game-changer for substitute teachers, who don’t have access to our district logins half the time anyway, and for me when my main whiteboard dies unexpectedly. You can save any board as a permanent, unexpired link, so if a kid is out sick with strep or a family trip, I just copy the link and send it to their parent. No more taking 10 blurry photos of the whiteboard and uploading them to Google Classroom. Parents can pull it up on their phone, zoom in, and see exactly what we did that day, step by step.
I added all the small, teacher-specific features no generic whiteboard has. Pre-made number lines for math, grid lines for graphing, manuscript and cursive writing lines for primary grades, and blank anchor chart templates so you don’t have to hand-write the same chart on poster board every year, then roll it up and store it where it gets crumpled. You can upload images too: last month I pulled up a blank diagram of a plant cell for our science unit, and the whole class helped me label it right on the board, then I sent the finished diagram home for homework review.
For parents, this isn’t just a tool for teachers. My sister has a 2nd grader, and she’s always saying she has no idea what he’s doing in math, because the way they teach addition now is totally different from when we were kids. If a teacher shares the Classboard link from the day’s lesson, she can see exactly how the teacher walked through the problems, instead of guessing and confusing her kid with the old method she remembers. One of the teachers testing it told me she sends the weekly finished class timeline or art project to all parents, and she’s gotten way more responses from parents who previously only ever got “nothing” when they asked what their kid did at school that week.
It’s totally free, no paywalls, no ads, because we built it for teachers, not to turn a profit. The biggest rule I had while building it was that we couldn’t add any fancy features just to make it look impressive. If a feature doesn’t help a teacher get through a lesson smoother, it doesn’t go in. I’ve seen too many edtech tools that are so cluttered with stuff you’ll never use that you can’t find the blank board button.
We’ve been testing it for three months now, and it works for what I need, but I know there are gaps we haven’t thought of. One first grade teacher told me she wants bigger, thicker text boxes for sight word practice that her kids can type into. A high school biology teacher asked if we could add a quick insert button for a blank periodic table. Right now we don’t have multiple pages per board, which a lot of middle school teachers have asked for, because they want to keep all their lessons for a whole unit in one place. We’re trying to figure out how to add that without making it confusing to use.
Right now I use it at least three times a week in my class. It works for impromptu fraction lessons when my main whiteboard dies, it works for collaborative gratitude activities before break, it works for sending lessons home to sick kids. It’s not perfect, and it’s never going to be some fancy all-in-one teaching platform. It’s just a simple whiteboard that does what you need it to, when you need it. If you’re a teacher who’s fought with clunky whiteboard tools, or a parent who wishes you had a clearer window into what your kid is learning each day, give it a try, and tell us what’s missing. We’re still building it to fit what you need.
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