The chief aim of the college is to promote a high standard of organ playing, choral directing, church music and composition.
To this end, it holds examinations and grants diplomas, encourages musical events such as workshops and recitals, commissions new works, affords opportunities for discussion, and provides advice on being a professional musician.
In September 2009, because of changes in United States Postal Service regulations, the RCCO began to publish its own official journal.
[4] The American Organist, while no longer the official journal of the RCCO, remains available to members by subscription, along with a selection of other choral and organ publications, at group rates.
The college grants several levels of accreditation, for which it holds examinations annually: The college offers printed materials and recordings on topics including organ study, choir training, preparation for examinations, commissioning of compositions, purchase of organs, employment and ethics.