To relieve Pastor Hahn of his teaching duties, Salem called a second teacher. Miss Marie Kionka arrived in 1920. She taught at Salem for two years and left the same year Mr. Rudow left. Two new teachers, Ms. Agnes Harms (1922-1923), and Mr. Immanuel Gruber (1922-1924) came to fill the vacancies.
In 1922 the congregation replaced the reed organ in the church with a pipe organ for a cost of $5,700.
In August of 1923 the congregation was greatly shocked and saddened by the sudden death of Pastor Hahn. After nearly a year of vacancy, Pastor A.W. Hueschen (1924-1936) accepted the call to Salem in May of 1924. A new brick teacher age was erected in 1926 at a cost of about $7,000. Mr. Rudow, who had left in 1922, returned and taught from 1926 to 1930. Teacher Louis Sievert (1930-1939) was called to take his place. In September of 1928 Mr. Fritze Bartles (1928-1946) was called to teach the lower grades.
OnNovember 30, 1930, the congregation dedicated a new one story brick building at a cost of $18,000. This new school had two classrooms on the main floor, and n auditorium, lunchroom, kitchen, and furnace room in the basement. This building remains a part of our current school building, with the library and choir room upstairs and the lunch room and band room downstairs.
Pastor Walter Voss was Salem's next pastor. He served from 1936 to 1946. During his time at Salem, Pastor Voss founded a daughter church, Grace Lutheran Church, in Durand. Both Pastor Voss and Mr. Bartels left Salem in 1946. They were replaced by Pastor Kenneth W. Vertz (1946-1978) and Principal Albert W. Schleef (1946-1970).
Salem began several much needed renovations and redecorations at both the church and the school in 1946. Heating systems at both locations were updated, and both locations received rear entrances. An additional classroom was added to the school, the church basement was enlarged and expanded to include a new kitchen. The church was rewired, and received new tile and carpet. The chancel and balcony were rebuilt, an outdoor bulletin board was added, and some landscaping work was completed. The total cost for these updates was $20,000. A short time later, the congregation purchased a parsonage on Park Street.
Student growth at the time required Salem to call a second male teacher in 1950. Mr. William Woltmann (1950-1960) became the first to live in the new teacher age on Ryan Street.
In 1956, the congregation dedicated another major addition to the school. Three more classrooms, an auditorium-gymnasium, a large kitchen, boiler room, and storage areas were added to the school at a cost of about $200,000.
During this time Salem called two additional teachers. Judith Larson (1955-1957) and Barbara Ebe (1952-1960), both daughters of Salem, joined the staff. A fifth teacher was added when Elizabeth Van Epps (1960-1961) also came to teach for one year. Miss Eleanor Lahmann, another daughter of Salem, came to Salem in 1958, and taught at Salem until her retirement in 1973.
Mr. Walter Bock (1961-1967) accepted a call to salem to teach, direct music, and coach. His wife, Ruth Bock (1961-1967) was also called to teach and serve as the congregation's head organist. Dolores Cook (1967-1972), another daughter of the congregation, also taught at Salem.
In 1967 Salem called its first full-time vicar, Richard Warnke. As part of their training, third year students at Wisconsin Lutheran Seminary, the Wisconsin Synod's pastor training school, serve as "vicars" in a parish for one year before returning to the seminary for their forth and final year. This program is similar to an internship, and pastors-in-training receive valuable real world experience. Salem has had eight vicars. They are,Richard Warnke (1967-1968), Ronald Winter (1968-1969), Louis Sievert (1969-1970), Dale Zwieg (1970-1971), Paul Hartman (1971-1972), Jeff Kutil (1972-1973), Fred Adrian (1973), and David Last (1975-1976).
It was also at this time that the Ruth-Naomi Altar Guild was formed to help the pastor in keeping the altar area clean. The Ruth-Naomi Altar Guild and the Ladies' Aid Society merged to create the current Sisters Serving Christ Organization on April 21, 2009. The Sisters Serving Christ continue to assist the pastors in keeping the church and altar area clean, as well as assisting with decorating the church for holidays, preparing the elements for Holy Communion, and other service projects.
The Owosso Lutheran Hour had its first radio broadcast in January of 1948. It remained on the air for 50 years before being off the air for a short period of time. Worship services are once again broadcasted on the radio on Z92.5FM at 10:00 every Sunday morning.
In 1964, Salem began a building project to add an educational wing to the east end of the church. This addition would include school rooms, pastor and secretary offices, an altar guild room, sacristy, bathrooms, and storage rooms. At the same time, the pipe organ was rebuilt, the chancel area was remodeled, the church balcony was extended, and new pews and carpet were installed throughout the church. Locker and shower rooms were added to the school at this time as well. The cost for this project was $108,000, and it was dedicated in May of 1965.
Many other teachers served during the second fifty years of Salem's existence. They are,Esther Zink (1923-1924), Lydia Zempel (1924, 1926-1927), Doris Gauss (1924-1925), Viola Louis (1928-1939), Lenore Thurow (1939-1941), Arthur Bade (1941-1942), Eleanor Wassmann (1943-1945), Doris Nast (1945-1947, 1951-1952), Ethel zimmermann (1947-1950), Elaine Hartley (1950-1951), Helen Vertz (1957-1958), Carolyn Muehlenbeck (1958-1961), Nancy Bruning (1960-1964), Elisabth Albrecht (1964-1966), Susan Blunk (1966-1967), Mavis Hemker-Norder (1966-1970, 1990-1992), Marla Toepel (1967-1968), Arlene Kirk (1967), Ronald Zahn (1968-1979), Allen Grohn (1968-1975), and Linda Vorbeck (1969-1970).