Founded in 2003 in Seria, Brunei, Hornbill School (HSB) is an amalgamation of schools established in the 1960s, and has been a member of FOBISIA since 2013, with a brief lapse between 2018 and 2020. 

The primary school follows the British curriculum and is a UK Ministry of Defence school. 

Hornbill School is accredited through Ofsted.