In 1978 the BBC launched a new TV drama series set in an inner city comprehensive school. What was it called?

In 1951 the provisions of the 1944 Education Act were still being implemented. The new Tory government faced the reality of comprehensive schools in most parts of the country, and a greatly expanded university sector. More changes over the 50s, 60s and 70s meant that, by the time of the Conservative government in 1979, much had changed.