The Catholic School had 90 students in 1927 and 85 in 1928.[1][2]
In The Handbook of British Honduras 1888-89 it is stated that T. Carillo was appointed as Deputy Registrar for Progresso in 1887.[3]
In 1949 the police force consisted of 1 officer.[4]
From at least 1917[5] to 1928[2] Progresso had a catholic mission under the St. Francis Xavier's Church, from Settlement 64.[6]
The Progresso Church is under the North Belize Mission Conference (Settlement 64) in the Belize Union Mission (Settlement 12) of the Inter-American Division (Miami, Florida) of the Seventh Day Adventist Church. In 2025 they had 138 members.[7]