Dear Old Boy,

Thank you for looking into becoming a member. 

The MHSOBA would not exist without the continued support and loyalty of its members. Without your help, we would not be able to provide assistance to the MHS Community. 

Your support is fundamental to all the initiatives we undertake during the year.  The strength of MHSOA is in its members.  Let's join forces, spread the voice among our friends and make this community even bigger.

Start your journey with us now.

Membership options

Purchase memberships online:
Type Length Cost Valid  
Student     SM30
Valid until students 30th Birthday $400 Can be paid in installments
Student  SM301
Existing Student Membership $100 3 instalments remaining
Student  SM302
Existing Student Membership $100
2 instalments remaining 
Student  SM303
Existing Student Membership
1 instalment remaining
Student  SM304
Existing Student Membership $100  Final Instalment
Adult 1 Year (Old Boys only) $70 Valid  01.01.2018 -  31.12.2018
Adult 5 Year (Old Boys only) $300 Valid 01.01.2018 - 31.12. 2022
Adult 10 Year (Old Boys only) $500 Valid 01.01.2018 - 31.12.2027
Concession 1 Year (Seniors/Tertiary) $50
Valid 01.01.2018 - 31.12.2018
5 Year (Seniors/Tertiary)
$180 Valid 01.01.2018 - 31.12.2022
1 Year (Non Old Boys/Non voting)
Valid 01.01.2018 - 31.12.2018
 Associate  5 Year (Non Old Boys/Non voting) $180  Valid 01.01.2018 - 31.12.2022
 G&MB  1 Year (Old Boys only) $260  Valid 01.01.2018 - 31.12.2018

Current MHS Students

SM30 memberships are the best value MSHOBA memberships and are available only to current MHS students.  SM30 memberships expire on the member's 30th birthday.  This provides up to 16 years of membership for the price of about 6 years!

  • Luncheon seminars
  • Career nights
  • Mentoring current students
  • Work experience connections
  • Financial assistance for students in need
  • Support for students attending national and international youth conferences and seminars
  • ‘Student Well Being’ program advisers
  • ‘Transition into the Future’ program providers
  • Sports team coaches
  • Sports days

Joining MHSOBA as a student member gets you:

  • MHSOBA Student lapel badge
  • Membership card
  • Electronic newsletters from the MHSOBA – highlighting special events and programs
  • Invitation to special purpose professional evenings conducted and sponsored by old boy members

Member Benefits


  • Access to an incredible network of Old Boys, including Rhodes Scholars, Olympic athletes, world-class businessmen, judges, entrepreneurs and experts in every field of professional endeavour.
  • Regular opportunities to connect with classmates from your graduating year.


  • Free entry to MHS reunions.*Subject to catering and other requirements
  • Discounted tickets to the prestigious Annual Dinner, the MHSOBA's gala event.
  • Access to MHSOBA members only functions.


  • Access to various scholarships to support further study or employment.

Unicorn Club

  • Free venue hire at the Unicorn Club for your next birthday or event.*conditions apply

Plus much more!