August 8, 2019

CLASS OF 1989 – 30 YEAR REUNION: Friday 13th September

Class of 1989 30 Year Reunion Date: Friday 13 September 2019 Times: 5:30pm      Meet in main foyer of MHS for a short tour of the school6:15pm      Wander across to The Unicorn Club.  […]
July 25, 2019

CLASS OF 1994 – 25 YEAR REUNION: Friday 23rd August

Class of 1994 25 Year Reunion Date: Friday 23 August 2019 Hello to MHS Class of 1994! Can you believe it’s 25 years since you left the Castle on the Hill? MHSOBA warmly invites you […]
July 17, 2019

2019 AFL Finals Luncheon – Tickets On Sale Now!

2019 AFL Finals Luncheon – Tickets On Sale Now! MHSOBA invites you to join us at the 2019 AFL Finals Luncheon. Hosted by Shane McInnes of 3AW Sport, the day includes a panel of footy […]
June 17, 2019

CLASS OF 2004 – 15 YEAR REUNION: Friday 26th July

Class of 2004 15 Year Reunion Date: Friday 26 July 2019 Greetings to the Class of 2004! Don’t miss a great opportunity to celebrate your 15 Year Reunion. Come together with in the newly refurbished […]
June 16, 2019

CLASS OF 1999 – 20 YEAR REUNION: Friday 9th August

Class of 1999 20 Year Reunion Date: Friday 9 August 2019 Greetings to Old Boys from the Class of 1999. Gentlemen, MHSOBA warmly invites you to come together and celebrate two decades since you left […]
May 17, 2019

CLASS OF 2009 – 10 YEAR REUNION: Friday 5th July

Class of 2009 10 Year Reunion Date: Friday 5 July 2019 Can you believe it’s a decade since you left The Castle on the Hill? Don’t miss a great opportunity to celebrate your 10-Year Reunion. […]
May 13, 2019

MHSOBA – Annual General Meeting: 6th May, 2019

The MHSOBA Annual General Meeting was held at the Unicorn Club on May 6th 2019. The Minutes from the meeting can be downloaded by clicking on the Link below 2019 AGM Booklet  
March 23, 2018


We’re very proud to report that three Old Boys were recognised in the prestigious Queen’s Birthday Honours List. The Queen’s Birthday Honours List recognises Australians for outstanding excellence, achievement or meritorious service. Congratulations to this […]
March 22, 2018


The Class of 2008’s 10 Year Reunion was held in the Unicorn Club on Friday, June 15. Over 80 Old Boys were in attendance, with a number travelling from interstate and overseas to be there […]
March 21, 2018


MHSOBA prides itself on its ability to connect current students with its incredible Old Boys network. Throughout 2018, a number of lunchtime seminars will be held in the Unicorn Club that are intended to provide […]