The Parish of Sussex is a two point charge - Trinity in Sussex and St. John’s in Highfield. St. John’s has services June - October, upon request. Both churches are of the historic era of architectural design.
The parish is in shared ministry with the parishes of St. Mark's and Waterford.
The parish’s mission statement is “Seeking to Serve Christ and to Make Him Known to Others”. This is an active congregation with layreaders, choir, Bible studies, Sunday School, and many groups and committees.