Sentence examples similar to a huge learning task from inspiring English sources

The phrase "a huge learning task" is correct and usable in written English.
It can be used to describe a significant or challenging assignment or project that requires considerable effort to learn or understand.
Example: "Completing the advanced mathematics course was a huge learning task for me, but I gained valuable skills in the process."
Alternatives: "a significant learning challenge" or "a major educational undertaking".