A new building, P block, was constructed in late 2023 to increase capacity for arts, engineering and graphics subjects.

It also has a catering service which sells food during personal development days, functions, and other after school activities.

Mansfield's curriculum covers subjects including: Music; Mathematics; Film, Television and New Media; Science; English; Computer Technologies/Studies; Manual Arts; Health and Physical Education; LOTE (French or Japanese); Business Enterprise; Art; Home Economics and SOSE (Study Of Society and Environment).

In the past, the band has been requested for performances such as the Commonwealth Games Torch Relay, Anzac Day ceremonies, as well as private events.

In 2015, Karen Tanks became the principal after quitting the same role at Rochedale State High School that she had for the previous five years.

[19] In 2018, Tanks controversially introduced a "clean shaven" policy for school photographs, in which students were forcibly shaved.

Many Mansfield sport teams have competed in Metropolitan Finals, and the school has also produced students and graduates who represented Australia in international events.

[21] Mansfield students and teaching staff are allocated a house in which they remain for their entire enrolment period at the school.

The four houses' names are dedicated to people renowned for their effort in world peace:[22] The members of The Jungle Giants attended Mansfield State High School.