This might be of interest:
Reach Out who run pastoral and academic mentoring in primary and secondary schools have opened applications for their Leadership Development Programme which is a paid opportunity suitable for undergraduates.
Successful candidates work directly with young people and get access to lots of great development opportunities, including getting a business mentor and access to networking events, training and more.
Find out more here: http://www.reachoutuk.org/leadership-programme/
You can apply online.