schulisch
school-related
Relating to school, concerning school, or taking place at school.
Seine schulischen Leistungen haben sich im letzten Halbjahr deutlich verbessert.
His school performance improved significantly in the last semester.

school-related
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school-related
Relating to school, concerning school, or taking place at school.
Seine schulischen Leistungen haben sich im letzten Halbjahr deutlich verbessert.
His school performance improved significantly in the last semester.

The adjective 'schulisch' (school-related) is formed from the noun 'die Schule' (school) and the ending '-isch'. The suffix '-isch' often means 'in relation to' or 'belonging to the matter'.
Viele Eltern engagieren sich für schulische Projekte.
Many parents get involved in school projects.
'Schulisch' (school-related) is often combined with abstract nouns. Typical combinations are 'schulische Leistungen' (school performance), 'schulische Laufbahn' (school career), 'schulische Ausbildung' (school education), or 'schulischer Erfolg' (academic success).
Bei schulischen Problemen hilft der Beratungslehrer.
The guidance counselor helps with school-related problems.
The adjective 'schulisch' (school-related) almost always comes directly before a noun (attributive use). Use after the noun with a verb like 'sein' (to be) (predicative use) is very rare.
Der schulische Druck auf die Kinder ist hoch.
The school-related pressure on the children is high.
academic
'akademisch' and 'schulisch' both refer to education, but to different areas. 'akademisch' fits universities, colleges, and scholarship. 'schulisch' fits school, meaning lessons, grades, classes, or tasks done by school students. Learners may confuse the words because both have to do with learning and education. The practical rule is simple: for universities and scholarship, use 'akademisch'; for school, use 'schulisch'.

Heute spricht die Lehrerin mit den Eltern über die schulische Entwicklung ihres Kindes.
Today the teacher is talking with the parents about their child's school development.
Nach dem Studium möchte Lisa in einem akademischen Beruf arbeiten.
After her degree, Lisa would like to work in an academic profession.