The Oxford list is excellent for high school English. The Macmillan list is superior for university preparation and professional fluency because it includes the "long tail" of academic vocabulary.
The final 2,500 words. These are frequent enough to be considered core vocabulary but are slightly more specialized. Why You Need the Macmillan 7500 Words List PDF macmillan 7500 words list pdf
A Macmillan Dictionary Booklet (PDF) that explains the system and includes specialized wordlists for themes like technology, travel, and hobbies. The Oxford list is excellent for high school English