From 1961 to 1965, five longer classes were made up mainly of branch personnel who were given special training in branch management. In the fall of 1965, classes returned to being five months in length, and once again the focus was on training missionaries.
१९६१ ते १९६५ या दरम्यान पाच दीर्घकालीन वर्ग भरवण्यात आले होते, ज्यांत प्रामुख्यानं शाखा कार्यालयात काम करणाऱ्‍या बांधवांचा समावेश होता.