Surprisingly, although Benjamin Franklin was an accomplished inventor, scientist, writer, philosopher, statesmen, diplomat, and abolitionist, he did not actually graduate from the finest institutions of higher learning. Benjamin Franklin’s greatest education came not from any type of formal school but instead from his own life and experience.

Here’s what is known about Franklin’s formal education:
Further education came directly from Franklin’s personal studies and communications with others. There is no additional evidence of formal schooling.
Thus, where Benjamin Franklin went to school is not important - what is important is his contribution to history and the knowledge he brought to bare as a founding father of our country.