Sustainable building improves performance by both students and teachers, which is a huge selling point for school boards and school districts. A book full of tests have shown that people perform better when they work in areas with more windows than walls and where high-quality indoor air powers better work – in offices as well as classrooms. Photo: Courtesy SHW Group. Gloria Marshall Elementary School in Houston will have an eco-farm in the front courtyard where ponds will be fed by a rainwater cistern. Related Links: The ABCs of Green Building That is what sustainable building encourages and that is