I think it is Andrew Johnson,
Abe Lincoln
Andrew Johnson had the least formal education-- none at all. He never was a student in a school of any kind.
formal education in the planned organized education ,that is provided in formal institution.such as school, and university.
Primary school leaving examination
Andrew Johnson had the least amount of formal education. He never went to a school. Of course there are other ways to get an education and there is no school that teaches one to be a good President.
US President Andrew Johnson was born into poverty. He had no formal academic education.
He was a President who had very little formal education. He was also the 'father' of the way being president is done today ~ serving the people. He did many things before he was president.
In a formal setting, you address a former president as "Mr. President" or "Madam President."
It is farming education.
He did not have an opportunity for much formal education, but he read a lot and learned a lot from his older half-brother, Lawrence, and George Washington was very good in mathematics. See the Related Link.
The three categories of joint education typically include formal education, informal education, and non-formal education. Formal education refers to structured learning within an institution, such as schools and universities, where there is a defined curriculum. Informal education occurs outside of traditional educational settings and involves learning through experiences, interactions, and daily activities. Non-formal education encompasses organized programs that are not part of the formal education system, such as community education or vocational training.
India has no unique basic formal education system preliminary basis