2025 RethinkWaste Poster Contest Winners

RethinkWaste is pleased to announce the winners of its eleventh annual poster contest! The contest was open to all 3rd through 8th graders attending schools in the agency’s service area. This year’s poster theme was “Compost Critters,” encouraging students to illustrate those who decompose! We received 37 original submissions, representing 15 schools and nine Member Agencies.

The winners and their respective cities and schools are listed below:

Elementary School Category

First Place “Compost In Progress”
Madeleine W., 3rd Grade, South Hillsborough Elementary School, Hillsborough


Second Place “Critters clean for us!”
Minh N., 5th Grade, College Park Elementary School, San Mateo


Honorable Mention – “Busy Decomposing Factory”
Harrison J., 4th Grade, Belmont Oaks Academy, Belmont


Middle School Category

First Place – “Compost Critters Doing Their Job”
Penelope D., 7th Grade, Bayside Academy, San Mateo


Second Place – “Be a Composter and Compost your food!”
Natalie W., 6th Grade, Tierra Linda Middle School, San Carlos


Honorable Mention – “Decomposers”
Evie S., 7th Grade, Bayside Academy, San Mateo

High resolution photos of the winning posters are available upon request. 

The First Place posters will be featured on the side of Recology collection trucks, so the winners will see their artwork around their neighborhoods later this year! All winning posters will be showcased on the RethinkWaste website and social media and may appear in RethinkWaste newsletters and other educational materials. In addition, contest winners may be recognized at upcoming City Council meetings.

As a reward for their submissions, all winners will receive fun eco-friendly prizes of their choice!