How to pronounce:
* Haup: Pronounced like "howp" with a short "o" sound, similar to the "ow" in "cow".
* tsch: Pronounced like the "ch" in "church".
* ule: Pronounced like "oo-luh" with a long "oo" sound, similar to the "oo" in "moon".
Therefore, the complete pronunciation of "Hauptschule" is approximately: "howp-tsch-oo-luh".
It's important to note that German pronunciation can be tricky for non-native speakers, and the exact pronunciation might vary slightly depending on regional accents. However, the above pronunciation is a good general guide.