Задание 25 ЕГЭ, английский язык: Лексико-грамматические навыки

Образуйте от слова EDUCATE однокоренное слово так, чтобы оно грамматически и лексически соответствовало содержанию текста.

Cecil Chubb was born in 1876 in a village not far from Stonehenge  — an iconic British prehistoric monument. His family was not at all rich. So it was his own hard work and, as a result, good __________________ at Cambridge that he had to thank for becoming a rather rich lawyer.