Stop Building Alone and Start Sharing: Collaborating on Lesson Materials Between Teachers

Three teachers on the same grade level, each building nearly identical worksheets on their own laptops, is a common scene in a staff room. The discussion prompts the teacher one desk over worked hard on last week already exist, but the file is locked deep in a personal folder, so nobody knows it is there and everyone starts from scratch. The biggest waste is one teacher's good lesson ending inside that one teacher's folder. By the end of the term nobody has managed to sort out whose materials sit where, and the next term everyone begins alone again. Materials three people could each build once get built three times by three people.

The real reason collaboration does not happen

Sharing materials is hard not because teachers are unwilling to share. It is because there is no 'unit' to share and no 'place' to put it.

• The lump problem: when materials are bound whole into a single document, it is hard to peel off just the one activity you need.
• The location problem: files scattered across personal computers, messaging apps, and email leave nobody sure which copy is current.
• The adaptation problem: if reworking someone else's material for your own class is a hassle, you end up building your own anyway.

Good collaboration is not about handing your materials over; it is about keeping a shared drawer that everyone can pull from and adapt.

Building it up together with Flipsson's library

Flipsson, Nallijaku's modular lesson platform, treats materials as activity-sized modules, which makes sharing and reuse feel natural. It opens in the browser with nothing to install, so a set of materials comes together in one flow instead of across several tools.

Start by building the lesson in the block editor. Drag in about ten kinds of blocks — heading, text, callout, image, YouTube embed, short answer, written response, file submission — and the lesson module is finished on one screen. What you have made is not a document but an assembled module, so another teacher can peel off just the piece they need and join it straight into their own.

The library is the core. Save a finished module there and you can pull the whole thing into next semester or another section and change only the dates and examples. If one teacher builds and saves an opening callout, a five-question check task, and a written response template, a colleague on the same grade level just pulls those modules out and assembles them in the order their class needs. Adapting a module you received to your own students' level is a matter of swapping a few blocks and a few clicks, so the burden that made you rebuild other people's materials disappears. The more good pieces each person contributes, the thicker the shared file drawer gets, which means prep time shrinks with each passing term. Leave the questions that worked well in the library, too, and a newer teacher who takes on this unit next year never has to grope through it from scratch — the previous teacher's know-how carries forward in the materials themselves.

The short version

Teacher collaboration starts not with a grand resolution but with the small habit of saving a module you built once to the library so others can reuse it. Build materials in blocks and keep them piece by piece, and both sharing and adapting get lighter. It starts without a credit card and is free for up to 10 classes, so I would suggest starting with one period: put a single unit in the library with a grade-level colleague and share it.