2025 Compare Cities Education:
Castle Rock, CO vs Mercer Island, WA

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Highlights
- Mercer Island spends 58.0% more per student than Castle Rock.
- The Student Teacher Ratio is 5.2% higher in Mercer Island than in Castle Rock. (lower means fewer students in each classroom).
- Mercer Island had 1.1% more residents who had graduated High School compared to Castle Rock
 Castle Rock, COMercer Island, WAUnited States
 Expend. per Student  Unlock$20,069$15,905
 Educ. Expend. per Student$10,748  Unlock$13,142
 Instr. Expend. per Student  Unlock$8,846$7,999
 Pupil/Teacher Ratio17.62  Unlock16.23
 Students per Librarian  Unlock9894573
 Students per Counselor279  Unlock530
 Grade School Educ.  Unlock0.9%4.8%
 Some High School Educ.1.9%  Unlock6.3%
 High School Educ.  Unlock98.3%88.9%
 Some College Educ.22.0%  Unlock20.0%
 2 yr College Grad.  Unlock5.3%8.7%
 4 yr College Grad.52.0%  Unlock33.7%
 Masters Grad.  Unlock20.9%9.3%
 Professional Degree1.7%  Unlock2.2%
 Doctorate Degree  Unlock7.5%1.5%
Reviews for Castle Rock    12 Reviews

My fiance and I moved here in 2018 shortly after finishing college. I work in Colorado Springs and she works in the Denver area, so Castle Rock was practically our only  More

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Over 7 years ago

I have always been mobile for my career, until I moved to Castle Rock. I've lived in in multiple cities in the Midwest including Chicago and have visited nearly every  More

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Over 11 years ago

we have four seasons, and the rockies are only two hrs.away. so for the outdoors enthusist sking or hiking is like no other place you have been or seen it is hard to  More

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Reviews for Mercer Island    4 Reviews

Mercer Island is a wonderful family community. It feels much more "small town" than a city even though it has a population of 20,000+. People say hello and watch out  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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