Amerigo partner school ·
Justin-Siena High School
A top-tier high school set on a 40-acre, park-like campus in California's Napa Valley — a safe, peaceful community just an hour away from San Francisco.
100%
accepted to a Top 30 university
A
Niche Ranking
1 hour
From San Francisco
About the school
Justin-Siena is known for its four-year, application-based engineering program delivered through Project Lead the Way with industry-leading software, alongside a strong fine and performing arts program.
Key Info
Location
Napa Valley, California
Grades
9-11
Intakes
August/September, January Intakes
Language requirement
TOEFL equivalent 60-80
Cost of attendance
Starting from $91,000
Accommodation
Residence
Program
Diploma
Brochure Download
More School Info
School Website
Class of 2026 acceptances
Where the class of 2026 got in.
100%
accepted to a Top 100 university
100%
accepted to a Top 50 university
100%
accepted to a Top 30 university
100%
accepted to a Top 30 university
100%
accepted to a Top 50 university
100%
accepted to a Top 100 university
100%
accepted to a Top 30 university
Reflects Amerigo students who applied to that university tier. Results are self-reported by Amerigo students
New to Amerigo?
The premium way to study in the USA
Since 2016, we've helped students from around the world thrive. But a top-ranked high school is only the start. Amerigo 360° is what comes next, helping students grow and prosper and making sure nothing falls through the cracks.
Amerigo 360° · Complete support
Dedicated on-campus support team
Academic coaching
Wellbeing & progress check-ins
Parent app for real-time updates
Three things this school does exceptionally well.
01
Explore Innovative Engineering
Explore a four-year, application-based Project Lead The Way engineering program, with hands-on learning using industry-leading software and tools.
02
Small Classes, Personal Attention
With an average class size of 23 students and a 14:1 student-faculty ratio, Justin-Siena offers a close-knit, family-like environment where students receive individual attention from their teachers.
03
Arts, Leadership & Real-World Connections
Students can pursue fine and performing arts, compete on a state-ranked Mock Trial team, and connect with successful alumni working across industries including Silicon Valley and Hollywood.
School facts
A
Niche overall grade
615
students enrolled
#2
Best Private High School in Napa County
30+
AP, Honors and Dual Credit Courses
1:14
Faculty-to-Student Ratio
82%
of students receive an AP score of 3 or higher
$10 million
in merit scholarships earned by recent graduates
83%
international students accepted to UCs in 2025
The Top 100 Guarantee
A place at a Top 100 US university, in writing.
$50,000
refunded if an eligible student doesn't receive a Top 100 offer. New for students arriving Fall 2026.
What it takes
Meet the academic and attendance standards
Follow your Amerigo university counseling plan
Apply to the recommended list of universities
The location
Easy Access to San Francisco
Justin-Siena is located in Napa Valley, California – a world-renown hub of culture, restaurants and industry located just 48 miles (77 km) from San Francisco.
Population of 139,000
Near San Francisco International Airport (SFO), Oakland International Airport (OAK) and Sacramento International Airport (SMF)
Close to top-ranked universities including Stanford University (#3), University of California – Berkeley (#15) and University of California – Davis (#28)
Accommodation
A safe home away from home.
Students live in a supervised residence, fully staffed and close to campus. The on-campus Amerigo team is always nearby, so no one is ever on their own.
Supervised residence
Live-in staff, study spaces and meals, all on or beside campus.
Fully staffed & supported
24/7 wellbeing check-ins from the Amerigo team on campus.
FAQ
Your questions, answered.
A student who is curious, well-rounded, and eager to explore thrives at Justin-Siena — especially someone who enjoys hands-on learning, from engineering and STEM to fine and performing arts.
What academic programs stand out?
Justin-Siena stands out for its four-year, application-based Project Lead The Way engineering program, alongside a strong Fine and Performing Arts program.
Where will you live?
In an on-campus supervised residence with live-in staff. The on-campus Amerigo team is there day and night, so you're never on your own.
What's the area around the school like?
Napa Valley is a beautiful and culturally rich region known for its stunning landscapes, great restaurants, vibrant arts scene, and relaxed lifestyle — all just about an hour from San Francisco.
What is Amerigo 360°?
It's the complete support system around every Amerigo student: a dedicated on-campus team, academic coaching, wellbeing check-ins and a family app that keeps everyone in the loop. Other programs have a contact nearby. Amerigo has a team inside the building.
Is the Top 100 university guarantee real?
Do you help with the student visa?
Yes. We guide you through the F-1 student visa, travel and arrival in the US, step by step, so nothing feels overwhelming.
How do you get started?
Download the school profile, join a webinar or book a free call. One of our advisors will be in touch within one working day.
Take the next step
Three easy ways to go deeper.
Pick whichever suits you best.
Get the school profile
Join a live webinar
Talk to an advisor
Explore more schools
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