Sarum Hall School, Hampstead, London NW3

Scarborough College Prep School, YO11

Scarisbrick Hall School, First & Middle School, L40

Seaford College Prep, Petworth GU28

Seaton House School, Sutton SM2

Sedbergh Prep School, Casterton, Carnforth LA6

Sevenoaks Preparatory School, TN15

Shebbear College Prep School, Beaworthy EX21

Sheffield High School, Junior School, S10

Sandroyd School, Salisbury SP5

Sancton Wood Pre-Prep and Prep School, Cambridge CB1

Rydal Penrhos Preparatory School, Conwy LL29

Ryde School Prep & Pre-Prep

Sacred Heart School, Wadhurst TN5

Saint Felix School, Pre-Prep & Prep School, Southwold IP18

Saint Ronan’s School, Hawkhurst TN18

Saint Pierre School, Leigh-On-Sea SS9

Salcombe Preparatory School, Southgate, London N14

Salisbury Cathedral School, SP1

Salterford House School, Nottingham NG14

Skippers Hill Manor Preparatory School, Mayfield TN20

Snaresbrook Preparatory School, South Woodford, London E18

Solefield Preparatory School, Sevenoaks TN13

Sompting Abbotts School, Lancing BN15

South Hampstead High School, Junior School, London NW3

South Lee School, Bury St Edmunds IP33

Southbank International School, Kensington, London W11

Southbank International School, Hampstead, London NW3

Spratton Hall School, Northampton NN6

Silcoates School, Junior School, Wakefield WF2

Sidcot School, Junior School, Winscombe BS25

Solihull Preparatory School, Saint Martin’s

Sherborne House School, Eastleigh SO53

Sherborne Prep, DT9

Sherfield School, Prep School, Hook RG27

Sherrardswood Preparatory School, Welwyn AL6

Shoreham College, Junior School, BN43

Shrewsbury High Junior School, SY1

Shrewsbury House School, Surbiton KT6

Sibford Junior School, Banbury OX15

St Anthony’s School for Boys, Hampstead, London NW3

St Anne’s School, Chelmsford CM2

Halstead St Andrew’s School, Woking GU21

St Andrew’s School, Rochester ME1

St Andrew’s School, Pangbourne, Reading RG8

St Ambrose Preparatory School, Altrincham WA15

St Aloysius’ College Junior School, Glasgow G3

St Albans High School for Girls, Wheathampstead House Prep, AL4

Springmead Preparatory School, Frome BA11

Ivy House School, Golders Green, London NW11