| Ampleforth | www.ampleforthcollege.york.sch.uk |
| Benenden | www.benenden.kent.sch.uk |
| Bradfield | www.bradfieldcollege.org.uk |
| Charterhouse | www.charterhouse.org.uk |
| Dulwich | www.dulwich.org.uk |
| Epsom | www.epsomcollege.sch.uk |
| Eton | www.etoncollege.com |
| Hampton | www.hampton.richmond.sch.uk |
| Harrow | www.harrowschool.org.uk |
| King's Canterbury | www.kings-school.org.uk |
| K.C.S. | www.kcs.org.uk |
| Lancing | www.lancingcollege.co.uk |
| Marlborough | www.marlborough.oxon.sch.uk |
| Radley | www.radley.org.uk |
| R.G.S. | www.rgs-guildford.co.uk |
| Rugby | www.rugby-college.ac.uk |
| St. Paul's | www.stpaulsschool.org.uk |
| Stowe | www.stowe.co.uk |
| Tonbridge | www.tonbridge.org.uk |
| Wellington | www.wellington-college.berks.sch.uk |
| Westminster | www.westminster.org.uk |
| Winchester | www.winchestercollege.org |
| Wycombe Abbey | www.wycombeabbey.com |
| Athey Educational | www.athey-educational.co.uk |
| Assessment Papers | www.assessmentpapers.co.uk |
| Practice Papers | www.gopractice.co.uk |
| Mensa | www.mensa.org.uk |
| IQ Tests | www.iqtest.sq |
| www.rozies.com | |
| www.wizardrealm.com | |
| www.learningtogether.co.uk |
| ICT Site | www.gridclub.com |
| Revision | www.quia.com |
| The British Museum | www.thebritishmuseum.ac.uk/childrenscompass/ |