| Sayyidina Ali Secondary School | |
| Native Name: | Sekolah Menengah Sayyidina Ali |
| Former Name: | Kampung Pandan Secondary School (Sekolah Menengah Kampong Pandan) |
| Motto: | Bertekad Ke Arah Kecemerlangan (Strive Towards Excellence) |
| Address: | Jalan Pandan 8 |
| Coordinates: | 4.589°N 114.2419°W |
| Status: | Operational |
| Principal: | Shin Sheau Huei |
| Teaching Staff: | 120 |
| Enrollment: | 1500 |
| Nickname: | SMSA |
| Head Name: | Second Master |
| Head Name2: | Assistant Headmaster |
| Free Label 1: | Affiliations |
Sayyidina Ali Secondary School (Abbrev: ), is a co-educational school located in Kampong Pandan, a suburban village in Kuala Belait, Brunei. In 2013, it had a student population of 1500, 700 of which were Pre-U students. The current principal is Mr. Awang Steven Shin Sheau Huei.
Construction of the school was completed on November 30, 1993. When the school was established on May 9, 1994, it was known as Sekolah Menengah Kampung Pandan (English: Kampong Pandan Secondary School) and catered for only secondary students. The school was renamed to its current name on August 3, 1996.
In 1997, a sixth form centre was created within the school. This has allowed students to pursue their pre-university studies in Kuala Belait, whereas all previous sixth form education in Brunei had been offered only in Bandar Seri Begawan.
At present, the school offers curriculum leading up to BC-GCE "O", and "A" level examinations.
The school has 120 teachers, as well as office staff and other workers.
Bertekad ke Arah Kecemerlangan (Strive towards excellence).
•Year 7
•Year 8
•Year 9
•Year 10
•Year 11
The school offers 15 subjects for the GCE "A" Level course,[1] namely:
General Paper is a compulsory AS Level subject for all Sixth Form students, for which a credit 6 in BGCE "O" English Language is necessary. Sixth form students without a credit 6 in that subject usually sit again for it in June or November of their lower sixth year to enable them to undertake the GP course beginning in upper sixth.