Bloomington Public Schools, located in Bloomington, Minnesota, educates more than 10,000 students in buildings encompassing more than 2,145,000 square feet of space. Nine of the district's schools are Blue Ribbon Schools of Excellence, and another six have received Minnesota School of Excellence designations. The mission of the district is to help all learners succeed in a rapidly changing world, no matter their race, gender, learning abilities or faith; the schools are focused on helping each learner succeed. In partnership with Schools for Energy Efficiency (SEE), the district used Portfolio Manager, EPA's ENERGY STAR measurement and tracking tool, to measure and track energy use and to help guide the district's energy efficiency initiatives. An ENERGY STAR Partner since 2005, Bloomington Public Schools is a leader in energy efficiency.
Bloomington Public Schools has been recognized by EPA as an ENERGY STAR Top Performer for achieving an average ENERGY STAR energy performance score of 79 across its portfolio of buildings. The district was also recognized as a Top Performer in 2012 and 2010. Bloomington Public Schools has completed many projects to enhance its energy savings, including the conversion of T-12 to T-8 lighting with high efficiency ballasts; the conversion from pneumatic to digital controls on most HVAC units and zones; ongoing internal recommissioning of HVAC units; and the reduction of excess lighting in most areas. The district also installed Siemens energy management systems in all buildings, as well as variable frequency drives and carbon dioxide controls in large areas like gyms, lunchrooms, and auditoriums. Kitchen improvements include a replacement schedule for the conversion of electric food service equipment to gas-powered equipment and tighter scheduling of food service equipment to match menu needs. The district has prevented the emissions of more than 1,000 metric tons of carbon dioxide, which is equivalent to the carbon sequestered by more than 23,000 tree seedlings planted and grown for 10 years.