In his years as a priest, Fr. Mujule has served as
- St. John Bosco High School Seminary (Hoima District, Hoima Catholic Diocese): Rector and Teacher.
- St. Simon Peter Vocation Training Institute, (Hoima) Religious Education Teacher (under Br Max)
- St. Andrea Kahwa High School (Hoima, in Hoima District): Religious Education Teacher.
- St. Adolf Tibeyalirwa High School (Muhorro, in Kagadi District): HeadTeacher
- St. Margaret Mary Girls High school (Muhorro, in Kagadi District): School Founder.
- St. Maria Catholic Primary School (Muhorro, in Kagadi District): School Founder
- St. Adolf Tibeyalirwa High School became a Government Aided Secondary School - Kagadi District (with the help and recommendation of Uganda Government Minister, Honorable, Matia Baguma-Isoke and Bishop Deo Byabazaire of Hoima Catholic Diocese)
- St. Margaret Mary Girls High School became a Government Aided Secondary School - Kagadi District (with the help and recommendation of Uganda Government Minister, Honorable, Benigna Mukiibi and Bishop Deo Byabazaire of Hoima Catholic Diocese)
Fr. Mujule and Rural Community participation in School Education ....... the aim was to encourage small rural communities to establish primary schools at village chapels and to establish Secondary Schools in their local areas. URDT's local community radio station called
KKCR. 91.7 FM based at Kagadi Town, the radio helped a lot Fr. Mujule in his giving of weekly Radio Talks on mobilizing the local community
to support school education, especially education of the girls.
~Fr. Mujule learnt a lot from his friend URDT's Mwalimu Musheshe the founder of NGO called
URDT, founder of URDT Girls Schools , founder of the first
African Rural University (ARU) for Women in the East Africa Region. Mwalimu Musheshe has a visionary approach towards sustainable development of families & rural areas.