The “high school service” is a special worship service offered by a school for its graduating class and their family and friends. It is an inclusive event that celebrates the completion of higher education, such as a college or university program, or even high school graduations. The service usually consists of a series of speeches given to the graduating class, often by key students, professors, or other important figures. Its origins come from religious services in the 1400s, although modern events may be more secular in nature.
college graduationwas a weekend-long event and I don't remember what part was called high school. Baccalaureate services are traditional events associated with graduation services and are meant to honor the accomplishments of the graduating class. These events are usually held on the Sunday before graduation and are often hosted by a church or other religious organization. The service typically includes prayers, hymns, and readings from religious texts.
It may also include speeches from faculty members, alumni, or other important figures in the community. The baccalaureate service is an important part of the graduation experience and is meant to provide graduates with a sense of closure before they move on to the next stage of their lives. It is also a time for family and friends to come together and celebrate the accomplishments of the graduates.