Plastic Pollution Coalition curates a list of K–12 school resources and, with the Post-Landfill Action Network, publishes an illustrated Plastic-Free Campus Manual (2024) for students organising on college campuses. PPC also leads the campaign for school policies against plastics-industry-sponsored teaching materials, which is why we mention it on our 'who made this' line.
Who made and funded this: Plastic Pollution Coalition, a US non-profit funded by donations and foundations. How to use it: use the curated list as an index (vet each item's provenance yourself) and the manual for sixth-form and university groups. Free; link only.