These rewards also benefitted 28 455 education assistants with an average annual extra amount of USD 267. Of the total schools rewarded in 2010-11, 52.7% are within the municipal sector, 46.0% in the private-subsidised sector, and 1.3 are schools with delegated administration. Also, of all the schools evaluated in the 2010-11 SNED, 57% had been rewarded at least once in the eight applications of the SNED since 1996-97. In the municipality of Concepcion, for example, there is a technical team at the municipality level that maintains contact with teachers and visits schools to observe classrooms. The municipality also conducts trial SIMCE tests to obtain information about learning outcomes across schools and classrooms.