There are several reasons why buying in the southern portion or "Little Valley/Meadow Valley" area of St. George is most popular and here they are: 
1. Schools
2. Inexpensive power 
3. Good mixture of all age groups
4. No HOA's 
5. Homes from $265,000 on up
6. Pickleball courts and parks
The schools in this the Little/Meadow Valley areas are some of the best schools in the state with A and A+ ratings.  Desert Hills High School is ranked #17 in the State. https://www.schooldigger.com/go/UT/schools/0114001290/school.aspx. 
Washington County School District has a 4 school system which means, K-5th grade goes to elementary school, 6th-7th intermediate school, 8th-9th middle school and 10th-12th high school. Desert Hills High School also has very good athletic programs. George Washington Academy Charter School, K-8, is close by as well and is ranked 21st out 527 elementary schools. 
Dixie Power is the power company that services the Little/Meadow ...