| 2008 |
IB programme for Year 12 introduced alongside the 'A' Level programme. |
| 2007 |
Infant School moves in to the extended Saar site. Awali and Budaiya sites closed. |
| 2005 |
New purpose-built Junior School open in Saar. The Senior School expands into the old Junior building, thereby also creating a dedicated 6th Form facility. |
| 1998 |
First 'A' Level Exams |
| 1996 |
Start of Sixth Form. Provision for 1700 students (age 3-18) |
| 1994 |
Decision to extend to 'A' Level |
| 1992 |
Re-organisation of primary schools into Nursery & Infant School at Budaiya, and Junior School at Isa Town |
| 1990 |
First GCSE exams. Manama School closed during Gulf War rationalisation |
| 1988 |
45 nationalities. Provision for 1600 students. Middle school renamed Senior School, extending age range to 16+ |
| 1985 |
Middle school opened at Isa Town to extend school age range to 13+ |
| 1981 |
New primary school opened at Isa Town. Now three primary schools: Manama, Budaiya and Isa Town. Provision for 1000 students |
| 1976 |
New primary school opened at Budaiya. Provision for 800 students |
| 1975 |
School too big for church administration. Constitution and format of Board of Governors revised; formally licensed under Bahrain Law as a private and nonprofit making school |
| 1973 |
16 nationalities. Provision for 530 students |
| 1972 |
Separate upper school opened in Manama, extending to age 11+. Nursery and Infants continued in Church Compound |
| 1963 |
Provision for 120 students |
| 1961 |
School started in private villas to provide British education for small groups of expatriate children; established as St Christopher's Church School with 39 pupils in the hall at the Church Compound |