He is an expert in pedagogy and is deeply involved in the educational activities of children.

He is very excellent in the field of arts and sciences.

That theory is unscientific and has no evidence at all.

He is an expert in astrophysics.

She is majoring in clinical psychology.

He lost his sense of direction.

He is studying hard to enter the next level of school.

My younger brother will enter the faculty of law next year.

He commutes to school by bicycle every day.

He decided to drop out of school due to the difficulty of his studies.