The phrase "ancient school" is correct and usable in written English.
It can be used to refer to a traditional or historical educational institution or a style of teaching that has been practiced for a long time.
Example: "The ancient school of philosophy has influenced many modern thinkers and continues to be studied today."
Alternatives: "historic institution" or "traditional academy".
Academe, n.: An ancient school where morality and philosophy were taught.
What would it have been like to attend the Academy, Plato's ancient school?
The Kite Clinic is one of the foremost exponents of the more ancient school of Five Element Acupuncture.
We took some daft stuff from that house, my brother and I, like ancient school projects that were falling apart.
Scholars suggest that Homer's Iliad and Odyssey crystallised in their written form around 750BC, out of an already ancient school of oral transmission.
Fabius (under the name Pictorinus) is one of the Greek historians who was listed on the walls of the ancient school at Taormina, Sicily.
Changsha was the seat of many ancient schools and academies.
But the two most important ancient schools of thought that were influenced by Socrates were Stoicism, founded by Zeno of Citium, and Skepticism, which became, for many centuries, the reigning philosophical stance of Plato's Academy after Arcesilaus became its leader in 273 bce.
They started to emphasize the ancient schools that more clearly related to the logical paradigms of Western philosophy and Mohist analytics.
This way of concluding the book reinforces the emphasis on virtuous character, as opposed to a decision-procedure for specific actions, and indicates that we might gain by returning to the ancient schools of moral philosophy that shared this emphasis.
Like the ancient schools, the medieval schools taught by means of text books: Aristotle in the Arts faculty, Averroes and Avicenna in medicine, the Bible and the Sentences of Peter Lombard in theology, Justinian in the schools of civil law, and Gratian's Decretum and other collections in canon law.
