The University of Liverpool is offering a huge range of outreach events for school groups of all ages. These include various workshops and summer schools. Some can be booked by individual students whereas others require a teacher to book, usually for a class of students. Those which can be booked on an individual basis include the AS Nuclear Physics Masterclass series of workshops and a Women in Physics event in June/ July each year. If you are interested in the other events they run, ask your teacher if they would be interested in running a school trip!
For more information and to book events, visit their website.