When it comes to choosing a senior school, at Pennthorpe there’s no such thing as following the crowd. Being a firmly independent preparatory school, we enjoy excellent rapport with over 50 senior schools, and can advise parents objectively with regards to each one’s compatibility with a child’s unique blend of talents, aspirations and passions. Below are some of the many options in our expanding portfolio.
School | Location | Independent / State | Day / Boarding | Co Ed / Single Sex |
| Ardingly College | Haywards Heath, West Sussex | Independent 2-18 | Boarding and Day | Co Ed |
| Ashcombe School | Dorking, Surrey | State | Day | Co Ed |
| Bede’s | Upper Dicker, East Sussex | Independent 2-18 | Boarding and Day | Co Ed |
| Benenden School | Cranbrook, Kent | Independent 11-18 | Boarding | Girls |
| Boxhill | Dorking, Surrey | Independent 11-18 | Boarding and Day | Co Ed |
| Brighton College | Brighton, East Sussex | Independent 3-18 | Boarding and Day | Co Ed |
| Burgess Hill Girls | Burgess Hill, West Sussex | Independent 2-18 | Boarding and Day | Girls |
| Caterham School | Caterham, Surrey | Independent 11-18 | Boarding and Day | Co Ed |
| Canford | Wimborne, Dorset | Independent 13-18 | Boarding and Day | Co Ed |
| Charterhouse | Godalming, Surrey | Independent 13-18 | Boarding | Boys |
| Christ’s Hospital School | Christ’s Hospital, West Sussex | Independent 11-18 | Boarding and Day | Co Ed |
| Churcher’s College | Petersfield, Hampshire | Independent 4-18 | Day | Co Ed |
| City of London Freemen’s School | Ashtead, Surrey | Independent 7-18 | Boarding and Day | Co Ed |
| Cranleigh School | Cranleigh, Surrey | Independent 7-18 | Boarding and Day | Co Ed |
| The Duke of Kent School | Ewhurst, Surrey | Independent 3-16 | Day | Co Ed |
| Dunottar School | Reigate, Surrey | Independent 11-18 | Day | Co Ed |
| Epsom College | Epsom, Surrey | Independent 13-18 | Boarding and Day | Co Ed |
| Eton College | Windsor, Berkshire | Independent 13-18 | Boarding | Boys |
| Farlington School | Horsham, West Sussex | Independent 3-18 | Boarding and Day | Girls |
| Frensham Heights | Farnham, Surrey | Independent 3-18 | Boarding and Day | Co Ed |
| The Forest School | Horsham, West Sussex | State 11-16 | Day | Boys |
| Glebelands School | Cranleigh, Surrey | State 11- 16 | Day | Co Ed |
| Guildford High School | Guildford, Surrey | Independent 4-18 | Day | Girls |
| Harrow School | Harrow on the Hill, Middlesex | Independent 13-18 | Boarding | Boys |
| Hurstpierpoint College | Hurstpierpoint, West Sussex | Independent 4-18 | Boarding and Day | Co Ed |
| King Edward’s School | Wormley, Surrey | Independent 11-18 | Boarding and Day | Co Ed |
| Lancing College | Lancing, West Sussex | Independent 13-18 | Boarding and Day | Co Ed |
| Lord Wandsworth College | Hook, Hampshire | Independent 11-18 | Boarding and Day | Co Ed |
| Millais School | Horsham, West Sussex | State 11-16 | Day | Girls |
| Millfield | Street, Somerset | Independent 13-18 | Boarding and Day | Co Ed |
| The Priory School | Dorking, Surrey | State 11-18 | Day | Co Ed |
| Prior’s Field School | Godalming, Surrey | Independent 11-18 | Boarding and Day | Girls |
| Reed’s | Cobham, Surrey | Independent 11-18 | Boarding and Day | Boys |
| Reigate Grammar School | Reigate, Surrey | Independent 11-18 | Day | Co Ed |
| Royal Grammar School | Guildford, Surrey | Independent 11-18 | Day | Boys |
| Roedean School | Brighton, East Sussex | Independent 11-18 | Boarding and Day | Girls |
| The Royal School | Haslemere, Surrey | Independent 4-18 | Boarding and Day | Co Ed |
| Seaford College | Petworth, West Sussex | Independent 7-18 | Boarding and Day | Co Ed |
| Shiplake College | Henley on Thames, Oxfordshire | Independent 11-18 | Boarding and Day | Boys |
| St Catherine’s | Bramley, Guildford | Independent 4-18 | Boarding and Day | Girls |
| St. Edmund’s School | Hindhead, Surrey | Independent 2-18 | Day | Co Ed |
| St George’s College | Weybridge, Surrey | Independent 3-18 | Day | Co Ed |
| St John’s School | Leatherhead, Surrey | Independent 13-18 | Boarding and Day | Co Ed |
| St. Peter’s School | Guildford, Surrey | State 11-18 | Day | Co Ed |
| Tanbridge House School | Horsham, West Sussex | State 11-16 | Day | Co Ed |
| The Weald School | Billingshurst, West Sussex | State 11-18 | Day | Co Ed |
| Wellington College | Crowthorne, Berkshire | Independent | Boarding and Day | Co Ed |
| Westminster School | Westminster, London | Independent 13-18 | Boarding | Boys |
| Worth School | Turners Hill, West Sussex | Independent 11-18 | Boarding and Day | Co Ed |