Their nearest neighborhoods are predominantly Tier 3 or Tier 2 or Tier 1.
Hancock is located in a Tier 3 area with Tier 2 nearby. Lindblom is in a Tier 2 area with Tier 1 nearby, and Brooks is in a Tier 3 with Tier 1 across the street and Tier 2 nearby.
Check out https://go.cps.edu/search and turn on search filters like “high school”, “selective enrollment” and then the geographic map overlay for “CPS tiers”.