Idioms about classes

Solid style of study, unity and diligence, cheerful and lively, not impetuous, hard-working, honest and dedicated, diligent and studious, respecting teachers, rigorous and realistic, honest and enterprising, red and expert, advancing with the times, self-improvement, thrift, studious and enterprising, knowledgeable and determined, inquisitive and thoughtful, liberal arts and academics, and integration of knowledge and practice,