Background
In 2019, the EcoTeam started a recycling program at Head Middle Magnet in Nashville, TN. Students painted and delivered cardboard boxes to 40 rooms around the school. They began weekly pickup of recycling in October and began collecting data on recycling streams on November 2nd, 2018.


EcoTeam recycling collection in action






Q1: How did paper recycling change over time and across Teams?






Figure 1: Paper recycled by team for the 2018F-2019S school year. Click legend symbols to add or remove a team from the plot. Mouse over points for details




Q2: Which Teams had the least amount of trash contaminating their recycling?






EcoTeam members sorted plastic, paper, aluminum from trash contaminants like plastic bags, wrappers and tissues (ick!) Here are their hard-earned data!
EcoTeam sorting trash


Figure 2: Trash items by team for the 2018F-2019S school year. Click legend symbols to add or remove a team from the plot. Mouse over points for details




Q3: How much paper did the EcoTeam divert from the landfill over the 2018-19 year?






Figure 3: Cumulative paper recycling by team between NA and 2019-05-06. Click legend symbols to add or remove a team from the plot. Mouse over points for details

What an impact–go Head Middle!







Q4: Which teams win an extra free period for their good recycling habits?






Most Recycling by Weight: 7th Grade!
329.2 pounds


Purest Recycling: 7th Grade!
5.9 trash items/100lbs


Most Improved Recycling by Mass: 5th Grade, Team B
90.6 lbs -> 212 lbs (133% increase!)


Most Improved Recycling by Purity: 6th Grade, Team B
From 8th place to 4th with 22 trash items per semester