MANITOWOC, Wis.--(BUSINESS WIRE)--Orion Energy Systems, Inc. (NASDAQ: OESX) a leading designer and manufacturer of high-performance, energy-efficient retrofit lighting platforms, today announced several school districts nationwide have selected Orion lighting solutions to reduce their maintenance costs and energy use while improving the quality of light in the classroom. Recent installations include Chula Vista School District in California, Webster Groves School District in Missouri, and the S