
The GCSE programme of study is followed in Years 10 and 11.
All students study English language and literature, mathematics and combined science. Additionally students take four electives, the choice of which includes art, business studies, French, Arabic, design technology, information technology, geography and history. The GCSE programme takes two years and is assessed by external examinations held at the school at the end of Year 11.
The school is registered examination centre for Cambridge International and Edexcel.
100% of students taking the examinations at Dhahran British
Grammar School achieved 5 or more A* - C grades.
The average points score per student was 36*
Overall results for Dhahran British Grammar School are significantly above the published UK National Averages.
*Points are allotted according to each grade. An A* equates to 6 points, an A to 5 points and so on down to grade E which is worth 1 point.
The following table breaks down the percentage of A*-C grades achieved for each subjects in relation to the number of students sitting the examination at Dhahran British Grammar School and in the UK.
| DBGS 2002 | DBGS 2003 | DBGS 2004 | DBGS 2005 | UK 2006 | DBGS 2006 | |
| Arabic |
N/A | 50 | 100 | 100 | 91 | 100 |
| Art & Design | 100 | 83 | 100 | 100 | 76 | 100 |
| Business Studies | N/A | 71 | 94 | 100 | 63 | 100 |
| Computer Studies | 57 | 71 | 80 | 30 | NA | 58 |
| Coordinated Science | 82 | 58 | 84 | 100 | 51 | 100 |
| Design Technology | 100 | 73 | 80 | 80 | 63 | 80 |
| English Language | 64 | 82 | 80 | 100 | NA | 100 |
| English Literature | 90 | 56 | 83 | 90 | NA | 80 |
| French | 100 | 100 | 100 | N/A | 65 | 100 |
| Geography | 100 | 33 | 100 | 100 | 68 | 100 |
| History | 86 | 60 | 83 | 100 | NA | 89 |
| Maths | 91 | 58 | 85 | 90 | 70 | 93 |
| Physical Education | 100 | 78 | 100 | 100 | 62 | 100 |
| Average Points Score | 30 | 27 | 34 | 35 | 36 | |