A subject or course of study taught in school (e.g., mathematics, English).
今学期は選択科目として心理学の学科を取った。
This semester I took psychology as an elective subject.
高校で数学は必修の学科だ。
Mathematics is a required subject in high school.
小学校では国語や算数などの基本的な学科を勉強する。
In elementary school, students study basic subjects like Japanese and arithmetic.
A department within a university (e.g., department of engineering, department of economics), a subdivision of faculties focused on a specific field.
彼女は大学の文学部日本文学学科に在籍している。
She is enrolled in the Department of Japanese Literature in the university's Faculty of Letters.
新設の学科ではロボット工学を専門に教える予定だ。
The newly established department plans to specialize in teaching robotics engineering.
志望学科を決める前に、オープンキャンパスで話を聞いた方がいい。
Before deciding on a department, it's better to listen to information at an open campus event.