to learn something - учить что-нибудь, изучать, выучивать что-то конкретно. Знания, обычно преобретаемые с практической целью.
to learn a rule
to learn grammar
to learn a foraign language
to learn a poem by heartto study something - обычно изучать что-то в научных или проффесиональных целях.
to study the history of the French Revolution
to be at school = to go to school - учиться в школе (без артикля, т.к. это состояние, а не указание на конкретное учреждение)
His son is at Englidh school
to finish school = to leave school - окончить школу.She finished school last year.
to be at college - учиться в ВУЗе.
His sister is at a medical college.
to go to college - поступать в ВУЗ.His sister goes to a medical college.
to leave one's college = to graduate one's college - окончить ВУЗ.He leaved his medical college.
to be in the Xth form (grade) - учиться в X-ом классе.
He is in the fifth from.
to be in one's Xth year at ... - учиться на X-ом курсе.
He is i his third year at the Low Faculty.
to do well in ... - учиться хорошо по предмету.
He is doing well in mathimatics.
to at school (college) together - учиться вместе.
We were at college together.
to have a lesson - заниматься на уроке.
We are having a lesson here.