学課 is read as がっか (gakka) and means lesson.
がっか
gakka
がくせいか
student affairs office
がくむか
school affairs division
ほうかごがくしゅう
after-school education
がくれき
academic background
がくれい
school age
がくげい
Tokyo Gakugei University (abbr.)
がくしゅうしどうようりょう
government course (curriculum) guidelines
がっく
school district
がくそつ
college graduate
がくどう
school child
がくもんてき
scholarly
がくげいかい
school arts festival