2026 Compare Cities Education:
San Marcos, CA vs Castaic, CA

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Highlights
- Castaic spends 6.5% more per student than San Marcos.
- The Student Teacher Ratio is 3.5% lower in Castaic than in San Marcos. (lower means fewer students in each classroom).
- Castaic had 6.2% more residents who had graduated High School compared to San Marcos
 San Marcos, CACastaic, CAUnited States
 Expend. per Student  Unlock$17,429$15,905
 Educ. Expend. per Student$13,161  Unlock$13,142
 Instr. Expend. per Student  Unlock$8,492$7,999
 Pupil/Teacher Ratio22.65  Unlock16.23
 Students per Librarian  Unlock65654573
 Students per Counselor513  Unlock530
 Grade School Educ.  Unlock2.4%4.8%
 Some High School Educ.5.4%  Unlock6.3%
 High School Educ.  Unlock93.3%88.9%
 Some College Educ.20.5%  Unlock20.0%
 2 yr College Grad.  Unlock10.9%8.7%
 4 yr College Grad.40.9%  Unlock33.7%
 Masters Grad.  Unlock8.7%9.3%
 Professional Degree1.9%  Unlock2.2%
 Doctorate Degree  Unlock1.1%1.5%
Reviews for San Marcos    5 Reviews

Just an amazing place to live. I have lived in 7 states and almost countless cities. Sam Marcos is one of the best. This is literally the longest place I have lived  More

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Over 16 years ago

Is this area to expensive for the average income retired  More

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Over 19 years ago

Beautiful Mediterranean climate with bright sunshine and ocean breazes. City is just 15 minutes away from the  More

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Reviews for Castaic    3 Reviews

Over 10 years ago

I've lived in northern Castaic for 14 years so this review is for northern Castaic Pros: convenient freeway access, boating on Lake Castaic, lots of gas stations,  More

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Over 12 years ago

Formerly a "truck stop" town, Castaic is the last town before going over the Grapevine, heading North on I-5 towards San Francisco. The town is unincorporated and sits  More

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Over 13 years ago

I currently live in Valencia. Before I consider purchasing a house in Castaic off Lake Hughes Rd and closer to the lake, is it safe to live in this neighborhood? Any  More

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