Many of the UK Universities offer outreach programmes for Classics – for teachers and for students. See the links below.
University of Birmingham Classics and Ancient History outreach.
University of Cambridge, The Greeks, the Romans and Us.
University of Manchester, schools and community engagement
University of Oxford, Classics Outreach
University of Swansea, including the Literacy Through Latin project
The Council for University Classics Departments have written a helpful guide for university outreach officers to get them started in post. It can be accessed here.