At the height of the Roman Republic and later the 
Roman Empire,  the Roman educational system gradually found its final form. Formal  schools were established, which served paying students; very little that  could be described as free public education existed.
[2] Both boys and girls were educated, though not necessarily together.
[2]
 Following various military conquests in the 
Greek East, Romans adapted a number of Greek educational precepts to their own fledgling system.
[3]  Roman students were taught (especially at the elementary level) in  similar fashion to Greek students, sometimes by Greek slaves who had a  penchant for education.
[2]  But differences between the Greek and Roman systems emerge at the  highest tiers of education. Roman students that wished to pursue the  highest levels of education went to Greece to study philosophy, as the  Roman system developed to teach speech, law and 
gravitas.
 In a system much like the one that predominates in the modern world,  the Roman education system that developed arranged schools in tiers