| SMS Hulu Selangor | |
| Native Name: | SEMASHUR |
| Motto: | Usaha Amal Bakti (Effort, Charity, Loyalty) |
| School Code: | BEA5067 |
| Medium Of Language: | Malay, English |
| Established: | 16 June 2000 |
| Postcode: | 44300 |
| State: | Selangor |
| Country: | Malaysia |
| Type: | Public High performance school boarding school |
| Affiliations: | Sekolah Berasrama Penuh, Ministry of Education (Malaysia) |
| Principal: | Siti Mariam binti Shamsudin |
| Students: | 791 |
| Grades: | Form 1 - Form 5 |
| Classrooms: | Amal, Bakti, Ehsan, Iman, Jujur |
| Address: | Hulu Yam Bharu, Batang Kali |
| District: | Hulu Selangor |
| Colours: | Red, Yellow, Blue, White |
| Yearbook: | Inspirasi SEMASHUR |
Sekolah Menengah Sains Hulu Selangor (English: Hulu Selangor Science Secondary School; SEMASHUR) is a Malaysian boarding school located in Hulu Selangor, Selangor. The 60-acre school is located near Hulu Yam, 30 kilometres north of Kuala Lumpur.
Received Cluster Schools award in 2009 with niche area of rugby, hockey, uniformed bodies and mathematics, SEMASHUR has a good track record when it managed to get number 1 in PMR achievements among SBP schools in 2008 and recorded a hat trick in 2010, 2011 and 2012.[1]
SEMASHUR encompasses an expansive area spanning 60 acres, featuring 40 acres of lush greenery alongside a 7-acre former mining pool. Accessible via the River Tua to Batu Caves (25 km) or the Tg. Pilot - KL road to Rawang (30 km), the institution was officially inaugurated on 16 June 2000 as the 38th Sekolah Berasrama Penuh. Operational duties commenced promptly on 20 June 2000, with the establishment team consisting of the Senior Assistant, Senior Assistant Student Affairs (HEM), and 23 faculty members entrusted with educating the pioneer cohort of 150 students. Subsequently, on 21 July 2000, SEMASHUR welcomed its inaugural batch of 180 Form 1 students, marking the commencement of its academic journey. The school's milestones continued as it admitted its first Form 4 intake in February 2001. A significant accolade was achieved on 9 April 2009, when SEMASHUR was honored with the Cluster Schools award, recognizing its exemplary performance in specialized areas such as rugby, uniformed bodies, and mathematics.
The school basketball team is Blazes Semashur.
SEMASHUR men basketball team won its first Central Zone Championship in 2005. In 2008, it was rebranded to SEMASHUR Blazes and since then, has achieved glorious success. Men Blazes team have won the Central Zone Championship 6 times in a row (2008-2013) and been to the semi-final of the national levels for 5 times in a row (2008-2012). They finished 4th in 2008, 3rd in 2009, 4th in 2010, 2nd in 2011, and 4th in 2012. Semashur Blazes revelation in basketball have been noticeable by national basketball powerhouse such as Mr Liew (MCKK Cagers coach) who recognised Semashur Blazes as a rising force in SBP basketball alongside SainsKu and SDAR. Semashur Blazes close rivals in central zone are INTEGOMB and SSAS while in the national level are MCKK, SAINSKU, SDAR, and MOZAC. The most notable figure in establishing Semashur Blazes success is the team manager, Wan Johari Wan Gati, who left Blazes after the 2012 season came to a close. Notable players include Ibrahim (2001-2005), Haiqal Azree (2004-2008), Afif Ismail (2005-2009), Ruzaini (2006-2010) and Sulaiman 2018-).
SEMASHUR rugby team, Zealord, is also one of top teams in Malaysia which have won numerous championships at national and international level since the inception of the school. Some of the alumni have joined top rugby clubs after high school and play in the Malaysia Rugby League Premier. SEMASHUR is also known to be one of the six establishing schools in the Super Six Tournament, now known as Super Schools Rugby. They have been to the finals in 2018 and 2022, and have been reigned champion in the 2019 season. All players managed to show immaculate skill and physical prowess to allow them to play at a higher level of rugby. One remarkable player even have the chance to represent Malaysia for the SEA 7s Championship 2024 in Singapore, Hariz Ezzat bin Hamidon.