Improved Academic Performance Evidence from Scientific Literature

From the EPA:  Improved Academic Performance  Evidence from Scientific Literature

Good Physical Conditions Can Reduce Absenteeism, Improve Test Scores and Improve Teacher Retention Rates.

Studies that measure school conditions using an index of several variables consistently show improved scores on standardized tests as school conditions improve.5591224 On the other hand, schools with major unmet repair needs and fewer custodial workers per square foot have higher absentee rates and higher dropout rates.6

Nearly 80 percent of teachers responding to a survey in Chicago and the District of Columbia reported that school facility conditions were an important factor in teaching quality. Almost half who graded their facilities “C” or below would consider leaving. The most frequently cited problem was bad IAQ.55

More:

http://www.epa.gov/iaq/schools/student_performance/evidence.html#adequate_outdoor_air_ventilation

http://www.epa.gov/iaq/schools/student_performance/references.html#39