They all have 4 weeks, but February is the only one to have exactly 4 weeks (except in Leap years when it has 4 weeks and 1 day). April, June September and November each have 30 days = 4 weeks and 2 days. The rest of the months each have 31 days = 4 weeks and 3 days.
Prospect Heights, IL Other Information. 1  Located in COOK County, Illinois. 2  Prospect Heights, IL is also known as: 3  PROSPECT HTS, IL.
Public elementary schools and middle schools in Arlington Heights are primarily operated by Arlington Heights School District 25. Portions of the city are also served by Prospect Heights School District 23, Wheeling School District 21, Elk Grove School District 59 and Community Consolidated School District 15.