HeatmapiColors each of Berlin's 12 districts by the average value of the chosen metric. Red = bad, green = good. Less meaningful for districts with few schools.iDifference between actually delivered and planned lessons per week. Negative = shortage, positive = surplus.Source: Berlin Schulverzeichnis · Lesson supplyiShare of student-days lost to illness, compared with the regional average (LRSB).Source: Berlin Schulverzeichnis · Student absencesiAverage Abitur grade for the school (weighted). Lower = better. Source: Senate, daten.berlin.de.Source: daten.berlin.de · Abitur results