King William's College is a IB Diploma Programme / IB school in Castletown, Isle of Man. It serves 360 students for students aged 11–18. Annual tuition ranges from $34,145 to $41,194 USD.
King William's College, Castletown, IM9 1TP, Isle of ManOpen in Maps
3 photos
NanaSays Scorecard
360
Students Enrolled
1:8
Student–Teacher Ratio
Boarding Available
Scholarships Available
CCF Programme
Duke of Edinburgh
Key Details
Curricula Offered
IB Diploma ProgrammeYes
IBYes
Accreditations
IB
Languages of Instruction
English
Scholarships Available
Merit-based Scholarships
Academic Scholarships and Drama, Golf, Music and Sport Awards for pupils entering Years 7 and Sixth Form entry. Bursary fund available to assist with school fees in cases of need.
Key facts
Ages
11–18 (Co-ed)
Pupils on roll
360
About
King William's College is a private, coeducational school offering the IB Diploma Programme. Located in Castletown, Isle of Man, the school has provided international education since being authorized by the IB in December 2001 and offers mixed boarding and day facilities.
School data verified by NanaSays. Last updated: April 2026.
Why Families Choose
Strong sporting tradition in rugby, hockey, and cricket
Small class sizes with excellent tutorial system
Excellent teacher-student relationships
Idyllic and safe Isle of Man setting
Wide range of extracurricular programmes
Opportunities for golf and sailing
Fees & Financials
Tuition fee per term £5,600 – £7,450. Boarding fee per term £3,362
Original currency: Tuition fee per term £5,600 – £7,450. Boarding fee per term £3,362.
Boarding Life
Day Boarding and Full Boarding for ages 11-18
Student Life
House System
House system with competitions
Houses
ColbourneDicksonand Walters
Facilities & Programmes
Sports
Playing Fields
All-weather Pitches
Indoor Heated Swimming Pool
Rifle Range
Gymnasium
Tennis Courts
Squash Courts
Arts
Music
Drama
Choir
Co-Curricular
Duke of Edinburgh's Award Scheme
Combined Cadet Force
Skiing trips
Choir tours
Educational trips
Rugby
Hockey
Cricket
Student Demographics
School Type
Co-educational
Age Range
11 – 18
Student Body
Boarding capacity83
School Background
Governance & Ownership
private
Sports Programme
Facilities
Playing FieldsAll-weather PitchesIndoor Heated Swimming PoolRifle RangeGymnasiumTennis CourtsSquash Courts
Frequently Asked Questions
The annual fees at King William's College are Tuition fee per term £5,600 – £7,450. Boarding fee per term £3,362 per academic year.
