Latest news
14th August 2026
MathematicsCurriculum Outdoor Maths
The 10T class has been applying their trigonometry skills to a practical situation today – calculating the height of the bell tower.
13th August 2026
MathematicsCurriculum Senior OMAthalon
The time of year is upon us that all young Dunedin mathematicians have marked in their calendars, counting down the days until the big event.
13th August 2026
MathematicsCurriculum University of Auckland New Zealand Engineering Science Competition
On Saturday 8th August, eight Year 13 students spent the day in the maths department participating in the University of Auckland New Zealand Engineering Science Competition.
13th May 2026
Wānanga DayCurriculum Frisbees, Data and Practical Learning
Practical learning was in full swing on Robert's Field as Dr Thomas’ Year 11 Maths class headed outdoors for a hands-on investigation.
28th April 2026
MathematicsCurriculum Math and Numeracy Tutorials
Term 2 is when, for many students, the reality of NCEA assessment starts to be realised.
3rd December 2025
CurriculumMathematics 9S Showcase Sweet Success
9S have been working on their chocolate truffle packaging project with Dr Thomas.
27th November 2025
MathematicsCurriculum Exceptional Results in UC Distance Learning MATH199
We are delighted to share the excellent results of our Year 13 students who recently completed their MATH199 course offered through the University of Canterbury (UC) distance learning programme.
18th September 2025
MathematicsCurriculum Rolling the Dice on Learning
This week, 10H studied probability by turning the classroom into a casino!
21st August 2025
MathematicsCurriculum O'Mathalon 2025
O'Mathalon 2025 was on Thursday, 21st at the Forsyth Barr Arena.
14th August 2025
CurriculumMathematics Senior OMAthalon 2025
The Senior OMAthalon took place last night, with OBHS proudly fielding three teams.
17th July 2025
CurriculumAcademic UC's Mid-Year MATH199 Workshop
The University of Canterbury (UC) recently hosted its annual mid-year workshop for high-achieving high school students enrolled in MATH199, their calculus and linear algebra STAR course, which we currently have 6 Year 13 students completing.
20th February 2025
MathematicsCurriculum Maths in action
Year 9O are enjoying shapes and space through the lens of geometry.
3rd September 2024
MathematicsYear 10 Does this plane fly?
This week 10Y is conducting a statistics investigation into what contributes to the best paper airplane.
22nd August 2024
MathematicsEvents Our marvelous mathematicians
The OMAthalon competitions are a highlight of the academic year for our mathematicians.
8th August 2024
MathematicsCurriculum Outstanding Maths results
On the 21st of May, 34 of our students took part in the Computational and Algorithmic Thinking competition.
6th March 2024
MathematicsCurriculum Why 24?
Some of our Year 11 students were asked to investigate what happens when you square a prime number greater than 3 and subtract 1.
5th March 2024
Year 9Mathematics Year 9 maths
9O have been working on Geometry in maths class recently.