It is a fantastic school Polter.
TIP, not all US school districts are gerrymandered by a long shot. The ones I am familiar with follow municipal boundaries or within large cities they follow boundaries delineated by some natural or other obstacle like a large industrial or commercial area, airport, motorway, railway, river or forest preserve, large park, with efficient or safe transport in mind.
Some suburban municipalities are lumped together for high school districts and feature large high schools or even several huge high schools (designated Suburb-East, West, North, South, etc) while elementary school districts tend to be only for one municipality. Older suburbs tend to be very built up/densely populated and have their own districts or share with a neighbour if they are relatively small geographically-speaking or if they were built at the same time. Outlying suburbs with less dense population/more spread out housing/roads designed with larger volume of traffic in mind have larger geographical areas and can also share a school or schools among several suburbs but often they are larger suburbs and have their own district with the municipal area serving as the boundary. Districts can be split or amalgamate depending on population/housing changes.
High school district map for Cook County Illinois. (The black lines superimposed show extremely gerrymandered Cook County Commissioner constituencies.)
The big green one is the City of Chicago, and within that district you can find the attendance boundaries by using this tool and clicking on names of schools in the drop down on the left. Citywide enrollment schools show no attendance boundaries but those with an attendance boundary show the blocks the school caters to, whether HS or elementary. The attendance areas follow streets,which are basically laid out in a grid pattern with some diagonals.