St. Josaphat Elementary School opened in 1890. It is not known precisely how many students were enrolled that opening year but it has been recorded that 100 students received First Holy Communion in 1890. The number of classrooms was quickly expanded during the 1891-92 school year as well as in the years that followed. The elementary school reached its peak enrollment of 796 students in the 1912-13 school year (and again reached 790 in 1923-24), which would have amounted to about half the enrollment at the nearby Polish Catholic schools of St. Albertus and Sweetest Heart of Mary (who reached enrollments of 1600 students).

In 1942, tuition for the elementary school was $.50/month. It was raised to $.75/month in 1943 and to $1.00/month in 1944. It was raised one last time in 1956 to $3.00/month.

St. Josaphat High School began with a ninth grade class in 1915, twenty-five years after the opening of the elementary school. But it would be the 1925-26 school year before the high school had a full compliment of grades and its first graduating class.

This was due to the deterioration of the surrounding neighborhood and the need to build more structure to house the high school students. Peak enrollment at the high school reached 150 students during the 1931-32 school year and diminished rapidly after that. The decline in enrollment parallels the exodus of members from St. Josaphat parish due to deterioration of the surrounding neighborhood. In spite of its small enrollment, the high school offered a good education including the following academic areas: religion, language, science, mathematics, social studies, and business-secretarial. The fact that the high school program at St. Josaphat was continually offered accreditation by the University of Michigan is evidence that it provided its students with a high quality education.

In 1942, the high school tuition was $2.00/month. It was raised to $2.50/month in 1945 and to $3.50/month in 1956. Both St. Josaphat Elementary and High School closed in 1960. At that time, the cost of the high school tuition was $4.00/month.

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