We've conducted an in-depth analysis of the topics, difficulty, and even word counts for the ISEE Lower Level exam based on the ERB's What to Expect on the ISEE. We analyzed both the free sample test and the $380 re-hashed test.

https://www.piqosity.com/2020/09/15/what-is-tested-on-the-isee-lower-level-an-analysis-of-topics-difficulty-and-even-word-counts/