| Members of Newark's Emanuel Methodist Church, led by Emanuel Schaller and Gottfried Schwing, take the first steps to organize a German language school. | 1934 | |
| 1935 | Classes begin with 15 students. Enrollment increases to 80 students by fall. Gottfried Schwing is the school's first president. | |
| The German-American Association of Newark and Vicinity, led by Dr. Francis Just, begins supporting the school. | 1936 | |
| 1937 | The school experiences a pre-war financial crisis. | |
| The school is reorganized under the presidency of Emil Schuch and the newly created school board. Emanuel Schwing becomes pricipal. | 1938 | |
| 1939 | The school moves to Montgomery Hall, Irvington. Average weekly attendance reaches 130 students. Mrs. Rosa Schuerle organizes the school's first kindergarten. Emanuel Schwing organizes the first adult classes. | |
| Average weekly attendance reaches 180 students. | 1940 | |
| 1941 | The school closes during wartime. | |
| The school board resumes meetings. | 1950 | |
| 1951 | The school reopens in Montgomery Hall under Wilhelm Zeh, president, and Emanuel Schwing, principal. | |
| The school moves to Saint Paul the Apostle School to accomodate more students and is incorporated as a non-profit association. | 1952 | |
| 1953 | Robert Brueckner becomes the school's fourth president. The Federal Republic of Germany and the German Literary Society support the school. | |
| The school's name changes from Deutsche Sprachschule Newark, N.J. und Umgebung to Deutsche Sprachschule, Inc. | 1956 | |
| 1958 | The school marches in the first Steuben Day Parade in New York City. | |
| Heinz Stoecker becomes president. | 1959 | |
| 1961 | Hans J. Ludscheidt becomes president, seeking to move the school towards higher academic standards. He revises the constitution and bylaws and establishes a school board and finance committee. The school adopts its motto "Vita Sine Literis Mors Est,” or “Life without Learning is Death.” | |
| Enrollment increases to 200 students. | 1962 | |
| 1964 | Enrollment increases to 240 students. | |
| The school's fifth, sixth, and seventh grade students achieved a score of 98.7 % on a Modern Language Association exam. Herman Chevalier introduces graduate classes. | 1966 | |
| 1970 | Enrollment rises to 290 students. | |
| Classes are extended to 2 1/2 hours. | 1971 | |
| 1972 | Hans J. Ludscheidt moves from principal to chairman of the board and introduces a reformed curriculum and teaching guidelines. Albrecht Maier becomes president. | |
| The school participates in the first German Heritage Festival at the Garden State Arts Center. AATG testing is first administered and AP testing preparation begins. | 1974 | |
| 1976 | The school moves to a new location, Union's Connecticut Farms School. | |
| The school relocates once again to Franklin School in Union. | 1977 | |
| 1978 | Roland Mass becomes president. | |
| Karl Fiedler becomes president. | 1981 | |
| 1983 | The school joins Delta Epsilon Phi, the national honor society for high school students of German. | |
| The school's 50th anniversary is celebrated. Hans J. Ludscheidt is named to honorary president for his extraordinary achievements. | 1984 | |
| 1985 | Heiner F. Paetzold becomes president. | |
| Alan A. Siegel becomes president. The Schulnachrichten newsletter is established. | 1987 | |
| 1992 | The school hosts the Northeast Regional Conference of the German Language School Conference. | |
| Mrs. Julie Schlotterbeck becomes president. | 1995 | |
| 1996 | Mrs. Anke Tracey becomes president. | |
| Mrs. Marjorie E. Crawford becomes president. | 1998 | |
| 2000 | The first computers are installed at the school. | |
| The school moves to Winfield Park, its fifth home. | 2002 | |
| 2003 | The school's first website is established, forming a vital link between school members and the administration. | |
| Classes are extended to 3 hours. Enrollment stands at 105, the most since the late 1980s. A 10 student computer lab is installed. The school's website receives a major overhaul to accomodate media functionality. | 2007 |
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