What do school governors do?

School governors:

Promote high standards of educational attainment;
Set targets for pupil achievement;
Take general responsibility for the conduct of the school;
Manage the school’s budget, including deciding how many staff will work there and their pay;
Make sure that the curriculum is balanced and broadly based, in particular that the National Curriculum and religious education are taught and report on pupils’ achievement in National Curriculum assessments and examination results;
Participate in the appointment of senior staff (including appointing the Headteacher) and regulate staff conduct and discipline; and
Draw up an action plan after an inspection by the Office for Standards in Education (OFSTED)

Why do schools need governors?