2026 Compare Cities Education:
Castro Valley, CA vs Southborough, MA

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Highlights
- Southborough spends 11.0% more per student than Castro Valley.
- The Student Teacher Ratio is 41.3% lower in Southborough than in Castro Valley. (lower means fewer students in each classroom).
- Southborough had 7.0% more residents who had graduated High School compared to Castro Valley
 Castro Valley, CASouthborough, MAUnited States
 Expend. per Student  Unlock$19,742$15,905
 Educ. Expend. per Student$13,323  Unlock$13,142
 Instr. Expend. per Student  Unlock$10,582$7,999
 Pupil/Teacher Ratio21.61  Unlock16.23
 Students per Librarian  Unlock4644573
 Students per Counselor603  Unlock530
 Grade School Educ.  Unlock1.2%4.8%
 Some High School Educ.3.8%  Unlock6.3%
 High School Educ.  Unlock97.4%88.9%
 Some College Educ.20.4%  Unlock20.0%
 2 yr College Grad.  Unlock5.0%8.7%
 4 yr College Grad.42.7%  Unlock33.7%
 Masters Grad.  Unlock23.1%9.3%
 Professional Degree2.5%  Unlock2.2%
 Doctorate Degree  Unlock6.0%1.5%
Reviews for Castro Valley    7 Reviews

CURMUDGEON - THANK YOU for your post. The most important part of your comment is your second paragraph. "Hodge-Podge" is the correct word for a lot of Castro  More

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Over 12 years ago

Kind of rural but close to Oakland and San  More

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Castro Valley is the largest unincorporated "city" in the Bay Area. Over the years, several attempts have been made to incorporate, but they have all been defeated at  More

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Reviews for Southborough    3 Reviews

Over 6 years ago

My son has been a student at Fay School for 7 years and is now in the lower school. He is thriving at Fay academically, socially, and in the athletics program. I  More

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Over 9 years ago

As an alum of Fay, I can say that my experiences there have shaped my life forever. During the years that I spent at Fay, I became a more confident student, person and  More

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Over 9 years ago

Fay School has provided a rigorous and supportive environment. In addition to the academic challenge, students are encouraged to participate in extra-curricular  More

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