When it comes to completing one's education, there are several phrases and synonyms that can be used to express the same idea as "finish school". One common phrase used is "graduate from school", which indicates that the individual has successfully completed their studies and has obtained a degree or diploma. Another way to express this idea is to say "complete one's education", which encompasses all levels of schooling, from kindergarten to university. "Earn a diploma", "obtain a degree" or "finish one's academic course" are also common alternatives to "finish school". Ultimately, regardless of the specific wording, the goal remains the same - to successfully complete one's education.