San Marino or Arcadia: Are the Schools Worth the Extra $1M?

San Marino or Arcadia: Are the Schools Worth the Extra $1M?

Both earn an A+ from Niche. Both rank in the top 6 in LA County. One costs $1M+ more. Here's the honest comparison nobody gives you.

By Justin Borges, DRE #01940318  |  Updated February 2026  |  ~9 min read

The Short Answer: San Marino Unified ranks #2 in LA County with 83% math proficiency. Arcadia Unified ranks #6 with 69% math proficiency. Both earn Niche A+ grades. But San Marino homes cost $2.8M–$3.1M vs. Arcadia's $1.3M–$1.8M — a gap of $1M–$1.3M. For most families, Arcadia delivers 85–90% of the academic outcome at roughly 60% of the cost. San Marino is worth the premium if you specifically value the highest test scores, a small intimate district, and formal estate character.
#2 vs #6LA County Rank
$1M+Price Gap
83% vs 69%Math Proficiency
2.9K vs 9KStudents

I sell homes in both San Marino and Arcadia — and the question I hear most from SGV-bound families is some version of: "Is San Marino actually worth the extra million dollars over Arcadia?"

The answer isn't a simple yes or no. These are two fundamentally different communities that happen to share an A+ school rating. What they share in academic quality, they diverge on in price, character, lifestyle, and what your family actually gets for the money. This guide breaks down the real differences so you can make a decision based on data, not prestige anxiety.

The Head-to-Head Comparison

CategorySan MarinoArcadia
Niche 2026 GradeA+A+
LA County Rank#2#6
California Rank#6#12
Math Proficiency (CAASPP)~83%~69%
Reading Proficiency (CAASPP)~86%~75%
Graduation Rate98%+98%
Total Students~2,933~8,988
Student-Teacher Ratio21:125:1
Median Home Price$2.8M–$3.1M$1.3M–$1.8M
Price Per Sq Ft~$985~$695
Typical Lot Size8K–12K sqft6K–17.5K sqft
Housing Character1920s–1960s estatesMixed era, newer builds
Wildfire Risk (30-yr)~12% of properties~39% of properties
Walk Score36–53 (Car-Dependent)54 (Somewhat Walkable)
Best ForPrestige, intimacy, test scoresValue, variety, activities

Sources: Niche.com 2026 Rankings; California CAASPP Results; Redfin, Zillow, PropertyShark (early 2026 data); Redfin Climate Risk data. Proficiency rates approximate based on most recent published CAASPP results.

The Academic Difference: How Big Is the Gap Really?

San Marino's 83% math proficiency versus Arcadia's 69% looks like a 14-point gap on paper. Both are dramatically above the 34% California state average. But what does that 14 points actually mean for your kid?

San Marino's advantage comes from concentration. With only ~2,900 students across four schools, the district maintains a 21:1 student-teacher ratio and a deeply involved parent community. Resources don't get diluted. Every teacher knows every family. The small-district dynamic creates an environment where falling through the cracks is nearly impossible.

Arcadia's ~9,000 students across 11 schools bring a different strength: breadth. Arcadia High School alone has 3,004 students and offers more AP courses, more sports teams, more clubs, and more electives than San Marino High (837 students) can support. Six of Arcadia's elementary schools have been recognized as California Distinguished Schools. The district has newer facilities, including a recently updated library, media center, and cafeteria at the high school.

📊 What the test scores actually reflect

Both districts have majority-minority enrollment (80–90%) with extremely high parental involvement. The test score gap reflects San Marino's smaller, more concentrated environment — not a fundamental difference in teaching quality. A student who would thrive in one district will almost certainly thrive in the other. The difference shows up at the margins, not the middle.

The Real Estate Reality: What $1M+ More Actually Buys You

Here's where the conversation gets real. San Marino's median sits around $2.8M–$3.1M. Arcadia's median is $1.3M–$1.8M. Let's make that concrete.

What You Get$1.5M in Arcadia$2.9M in San Marino
Square Footage~2,100–2,400 sqft~2,400–2,800 sqft
Lot Size~7,000–10,000 sqft~9,000–11,000 sqft
Bedrooms / Baths3–4 bed / 2–3 bath3–4 bed / 2–3 bath
ConditionOften updated or newerOften original, needs updates
Monthly Payment (20% down)~$7,200–$8,500~$14,000–$16,500
Annual Property Tax~$16,500–$19,800~$31,900–$36,800
ArchitectureMixed era, some new constructionFormal estates, strict standards

The monthly payment difference — roughly $6,000–$8,000 — adds up to $72,000–$96,000 per year. Over a 13-year K-12 span, you're paying $936,000–$1,248,000 more to live in San Marino. That's the real cost of those 14 extra points on the math proficiency test.

💰 What families do with the savings

Many families I work with buy in Arcadia and direct the savings toward private tutoring ($5K–$15K/year), enrichment programs, or college savings (529 plans). A family saving $6,000/month by choosing Arcadia over San Marino could fund over $900,000 in college savings over 13 years — enough to cover tuition at virtually any university in the country.

One more angle worth knowing: if you're a homeowner age 55+ downsizing from a more expensive area, California's Proposition 19 lets you transfer your property tax base to either city. That can mean massive tax savings on a $1.5M Arcadia purchase or a $2.9M San Marino purchase — the transferred base could save you $15,000–$30,000+ per year compared to a reassessed rate. This is especially relevant for families helping aging parents relocate closer to grandchildren.

🏠 See what's available right now
Browse current listings in both cities — no account required.
San Marino → Arcadia →

Beyond the Classroom: Two Very Different Communities

San Marino: The Formal Estate City

San Marino feels like stepping into a different era. The city maintains strict architectural standards that preserve its 1920s–1960s estate character. There are no apartments, no mixed-use developments, no commercial creep into residential neighborhoods. Lacy Park is the community's heart. The Huntington Library, Art Museum, and Botanical Gardens — one of the world's great cultural institutions — sits at its border.

The community is small (~12,000 residents), exclusive, and intentionally unchanged. If you value a quiet, prestigious, architecturally pristine neighborhood where homes are investments in a specific lifestyle, San Marino delivers that in a way no other SGV city can.

Arcadia: The Modern SGV Hub

Arcadia is the SGV's most dynamic city. Santa Anita Park anchors the community, hosting the 626 Night Market and major cultural events. The Shops at Santa Anita offer 180+ dining and retail options. The LA County Arboretum and Botanic Garden provides 127 acres of green space. New mixed-use developments like The Derby and Alexan Azalea are adding hundreds of apartments and commercial spaces by 2026.

Arcadia has things to do. The city feels alive in a way that San Marino, by design, does not. For families who want their kids to grow up with walkable amenities, diverse dining, and community events — Arcadia has a clear edge.

🚗 Commute comparison

San Marino has a slight commute advantage for Downtown LA workers — roughly 20–30 minutes via the 110 freeway, compared to Arcadia's 25–40 minutes via the 210/710 or surface streets. Both cities offer similar access to Pasadena employment centers (Caltech, JPL, Huntington Hospital) at 5–15 minutes. For remote workers, the commute difference is irrelevant — and Arcadia's walkable dining and retail become a bigger lifestyle factor.

The Honest Trade-Offs

⚠️ San Marino's trade-offs

Aging facilities. Niche reviews consistently note that San Marino High School's facilities aren't as well-maintained as Arcadia's newer campus. One student noted that "Arcadia High School is better well-maintained with newer facilities and a bigger campus."

Limited extracurriculars. With only 837 high school students, program variety is inherently limited. Fewer sports teams, fewer clubs, fewer elective options.

Insularity. Long-term residents dominate. Some newcomers report that established social networks can feel difficult to break into, particularly for families without existing community ties.

Elitist culture. Multiple Niche reviewers describe the community as "very elitist" with pressure to hire private tutors and college counselors beyond what the district provides.

⚠️ Arcadia's trade-offs

Higher fire and flood risk. 39% of properties face wildfire risk and 30% face flood risk over 30 years — significantly higher than San Marino's 12% wildfire exposure. Northern Arcadia (above the 210) carries the highest risk. During the January 2025 Eaton Fire, all residents north of Orange Grove Avenue were under mandatory evacuation — no Arcadia structures were lost, but the event underscored the real exposure.

Traffic congestion. Arcadia's growing population and commercial development create real traffic issues. Huntington Drive and the 210/605 corridors get congested, especially around school hours.

Larger class sizes. The 25:1 student-teacher ratio is higher than San Marino's 21:1, meaning less individualized attention per student.

Less residential exclusivity. Arcadia has apartments, condos, and mixed-use developments. If you value a purely single-family, estate-character neighborhood, San Marino is the clear winner.

Which City Is Right for Your Family?

Choose San Marino If…
  • Highest test scores are your non-negotiable priority
  • You want a small, intimate school district (~2,900 students)
  • You value formal estate character and architectural standards
  • You prefer lower fire/flood risk
  • Your budget comfortably supports $2.8M+ housing
  • Prestige and name recognition matter to you
Choose Arcadia If…
  • You want A+ schools at $1M–$1.3M less
  • Newer facilities and more extracurriculars matter
  • You want walkable dining, shopping, and community events
  • You'd rather invest savings in tutoring, enrichment, or college funds
  • You want more housing variety (new builds, different sizes)
  • You're using a VA loan (more realistic at $1.3M–$1.8M)

Not sure which fits your family?

Start by browsing what's on the market in both cities. When you're ready to talk specifics — school zones, pricing, neighborhoods — I'm here. No pressure.

Frequently Asked Questions

QIs San Marino or Arcadia better for schools?
San Marino Unified ranks #2 in LA County with 83% math proficiency while Arcadia ranks #6 with 69%. Both earn Niche A+ grades and both vastly outperform state averages. San Marino offers a smaller, more concentrated environment (~2,900 students). Arcadia offers newer facilities, more extracurriculars, and homes that cost $1M–$1.3M less. For most families, Arcadia delivers 85–90% of the academic outcome at roughly 60% of the cost.
QHow much more expensive is San Marino than Arcadia?
San Marino's median home price is approximately $2.8M–$3.1M compared to Arcadia's $1.3M–$1.8M — a gap of roughly $1M–$1.5M. Price per square foot averages ~$985 in San Marino versus ~$695 in Arcadia. The monthly mortgage difference is roughly $5,000–$7,000 more per month in San Marino.
QWhat are the test scores in San Marino vs Arcadia?
San Marino has approximately 83% math and 86% reading proficiency on CAASPP state assessments. Arcadia has approximately 69% math and 75% reading proficiency. Both substantially exceed California state averages (34% math, 47% reading). The 14-point math gap is meaningful but both districts perform in the top tier statewide.
QIs the San Marino premium worth it over Arcadia?
San Marino is worth the premium if you specifically value the highest possible test scores, a small intimate district, formal estate character, and lower fire risk. If you prioritize newer facilities, more activities, a larger social environment, and saving $1M+ on housing, Arcadia is the stronger value. Many families buy in Arcadia and invest the savings into tutoring, enrichment, or college funds.
QWhat is the fire risk in San Marino vs Arcadia?
Arcadia has meaningfully higher fire and flood risk. Approximately 39% of Arcadia properties face wildfire risk over 30 years versus ~12% in San Marino. Northern Arcadia near the foothills carries the highest risk. San Marino's flatter topography and distance from wildland gives it a clear safety advantage on this metric. San Marino also has lower flood risk at 8% of properties versus Arcadia's 30%.
QCan I use a VA loan in San Marino or Arcadia?
Yes to both. VA loans offer zero down payment and no PMI. The California VA Amendatory Clause protects against low appraisals even when the appraisal contingency is waived. Arcadia is more realistic for most VA buyers due to its lower price point. Some teams can close VA loans in as little as 15 days.
QWhich has better extracurriculars?
Arcadia has a significant edge in variety due to its larger size. Arcadia High (3,004 students) offers more sports, clubs, and electives than San Marino High (837 students). Arcadia's marching band and athletics are particularly strong. San Marino offers a more intimate experience where students more easily make varsity or hold leadership roles.
QWhat are lot sizes like in both cities?
San Marino lots typically run 8,000–12,000 sqft with strict architectural standards. Arcadia lots range from 6,000–17,500+ sqft with more variety. North Arcadia above the 210 has the largest parcels. San Marino is almost exclusively 1920s–1960s single-family homes; Arcadia includes newer construction and some mixed-use development.

📖 Related Guides

What Is the Best School District in LA County? — Full top-15 rankings with home prices

La Cañada vs San Marino vs South Pasadena — The SGV's top 3 compared

About the Author

Justin Borges is a licensed California real estate broker (DRE #01940318) with The Borges Real Estate Team at eXp Realty. With 13+ years of experience and over $200 million in career sales across the San Gabriel Valley, Justin specializes in helping families navigate school district decisions. He sells in both San Marino and Arcadia and gives the same honest comparison he'd give his own family.

Disclaimer

This article provides general information about school districts and real estate markets. School rankings from Niche.com 2026. Academic proficiency data from California CAASPP assessments. Home prices are approximate median ranges from Redfin, Zillow, and PropertyShark (early 2026) and fluctuate with market conditions. Fire and flood risk data from Redfin/First Street Foundation climate assessments. This is not legal, financial, or educational advice. Consult qualified professionals for your specific situation. School attendance zones can change — verify