The Montessori Inventory Tool-
Classroom Inventory Made Easy
Designed for Primary, Lower Elementary, and Upper Elementary environments.
“During many years of experiment and observation, I discovered that children learn naturally through activity, and that their characters develop through freedom. But these are general principles, which require practical application, and the Montessori materials have been evolved to meet this need. ”
- Dr. Maria Montessori
At Public Montessori In Action International, we believe that a strong Montessori inventory is more than a checklist—it’s a source of invaluable data. The Montessori Inventory Tool makes classroom inventory easy, organized, and strategic.
Watch a short, informational video about the tool.
Designed for Primary, Lower Elementary, and Upper Elementary environments, this customizable Google Sheets-based tool gives school leaders a clear, whole-school view of essential materials and furniture. You’ll know at a glance whether your classrooms are equitably resourced, where replacement materials are needed, and whether you’re prepared to deliver a fully implemented Montessori curriculum.
More than just a tracking sheet, this tool supports long-term financial planning and staff harmony. Teachers complete a simple, protected classroom tab, while administrators access a dynamic, color-coded dashboard that automatically aggregates data across the entire school. Gaps, surplus materials, and purchasing priorities are visually flagged—eliminating guesswork and preventing unnecessary spending. Instead of reacting to shortages, you can plan proactively, redistribute materials thoughtfully, and make informed decisions that strengthen both your program and your team.
A strong Montessori inventory is a source of invaluable data. It allows you to know that your classrooms are equitably resourced as well as providing up-to-date information about where replacement material is needed. It allows for long-term financial planning and harmony within your staff as everyone knows and is involved in the process
User-friendly and customizable
The Montessori Inventory Tool is built in Google Sheets and is designed to be user-friendly and customizable. Basic to intermediate Google Sheet skills are necessary to utilize the tool effectively. An Excel version is available upon request.
Users should be comfortable navigating spreadsheets, entering data, adjusting tabs, and making simple formatting or structural edits if customization is needed. Advanced expertise is not required, but familiarity with core spreadsheet functions will ensure you can maintain the system with confidence.
To get started, schools have access to an online course which combines instructional videos with text to guide new users through the process. Schools are welcome to revisit the course as often as needed to ensure everyone’s comfort with the tool.
The Montessori Inventory Tool is $1,150 per school.
Purchase of the inventory tool includes:
Lifetime access to PMAI's Montessori Inventory Tool and instructional course on how to use the tool, including any updates to both
One time setup support to create and add classrooms specific to your school to get you started using the tool quickly
Need additional support? Reach out to us at info@montessori-action.org to discuss additional support options.
Still not sure? Learn more about the tool here before purchasing.