In 2010, seven out of ten teachers were women. However, the proportion of women varied according to the duties at the school: 73%, 72%, 52% and 55% for classroom teachers, heads of technical-pedagogical units, senior management positions and school directors, respectively. In 2010, the average age of teachers in the three main school sectors was 47.5 in municipal schools, 40.4 in the private subsidised schools and 42.2 in the private non-subsidised schools. Country Background Report for Chile, prepared for the OECD Review on Evaluation and Assessment Frameworks for Improving School Outcomes.