Amerigo Napa Valley – Justin-Siena High School (美利高纳帕谷贾斯汀-锡耶纳中学) | International Student Guide: 2026 Programs, Entry Requirements, Costs and Application Support — Ranking, Fees, Admission
Direct Answer
If you are researching Amerigo Napa Valley – Justin-Siena High School as an international student, this guide brings together the key points about the school’s identity, academic programmes, entry requirements, tuition considerations, and application pathways. Amerigo Napa Valley – Justin-Siena High School (美利高纳帕谷贾斯汀-锡耶纳中学) is a Lasallian Catholic college-preparatory community in Napa, California, serving students in grades 9 through 12. The school has more than 650 students, with an average class size of 23, and over 99% of graduates go on to university. UNILINK is suitable for providing application information and support based on your background, and this Amerigo Napa Valley – Justin-Siena High School international student guide outlines what you need to know before you begin.
UNILINK provides application information and support based on the applicant’s background. This service does not constitute an admission or visa promise. The team typically contacts you within one business day after you submit your details. All admission outcomes depend on meeting the school’s current entry requirements and are confirmed by the official offer documentation.
About the School
Amerigo Napa Valley – Justin-Siena High School is a Lasallian Catholic high school located at 4026 Maher Street, Napa, California, 94558. The school can be reached by phone at 707.255.0950 or by fax at 707.255.0334. Founded in 1966, the institution originally comprised two adjacent campuses: Justin High School, a boys’ school run by the De La Salle Christian Brothers, and Siena High School, a girls’ school operated by the Dominican Sisters of San Rafael. The two schools merged in 1972 to form Justin-Siena High School.
Today, the school belongs to a global network of nearly one thousand Lasallian schools across eighty-four countries. Its stated mission is to provide an excellent education in a loving, Christ-centred community, preparing students to serve and lead in a changing world. The school’s student body includes young people from close to forty different prior schools, twenty countries, and three counties. Fifty-five percent of students report coming from diverse backgrounds.
Academic Programmes and Learning Environment
The school offers a college-preparatory curriculum with forty honours and Advanced Placement courses. In addition, seventeen electives are available across engineering, science, and the arts. The counselling programme includes three guidance counsellors and two college counsellors, and a student support programme assists those with learning differences.
A one-to-one iPad programme is in place, and classes begin at 9:00 a.m. The school operates seven buses serving nine towns and three counties. A modern on-campus dining facility provides fresh food daily.
For students considering different academic routes, UNILINK’s pathway comparison can help you understand how a U.S. high school experience compares with other international education options.

Entry Requirements and the Application Process
Admission to Amerigo Napa Valley – Justin-Siena High School requires meeting the school’s current entry standards. Because requirements can change and may differ for international applicants, you should consult the school’s official admissions page and work with an advisor who understands the process. UNILINK’s application guide offers a structured overview of what to prepare.
Typical considerations for international applicants include English language proficiency, academic records from previous schools, and any additional documentation the school requests. The school provides tuition assistance and merit-based scholarships, with fifty percent of students receiving some form of tuition aid each year. The total annual tuition assistance distributed amounts to 4.1 million U.S. dollars.
For document preparation support, UNILINK’s document service explains how to organise transcripts, recommendations, and other materials. After submitting an application, you can learn about what happens next through UNILINK’s follow-up commitment page.
Costs and Financial Considerations
Tuition fees at Amerigo Napa Valley – Justin-Siena High School are set by the institution and should be verified on the school’s official website or through direct inquiry. The school states that it offers both need-based tuition assistance and merit-based scholarships, and fifty percent of the student body benefits from this support. The annual tuition assistance pool totals 4.1 million U.S. dollars.
International students should also budget for additional expenses such as housing, meals, health insurance, and personal costs. The school’s on-campus dining facility provides fresh food, and the bus network covers a wide area, which may influence accommodation choices. Because cost structures vary by individual circumstance, all figures must be confirmed with the school’s current published fee schedule and offer documentation.
Student Life and Community
With more than 650 students and an average class size of 23, the school maintains a scale that allows for individual attention while offering a broad range of activities. Thirty-three athletic teams provide competitive opportunities, and the student body’s composition—drawing from nearly forty prior schools, twenty countries, and three counties—creates a notably diverse environment.
The Lasallian tradition shapes the school’s approach to community life, emphasising service, leadership, and personal development within a faith-based framework. The one-to-one iPad programme integrates technology into daily learning, and the 9:00 a.m. start time is designed to support adolescent sleep patterns and readiness for the school day. Students and families can learn more about the school’s broader mission and heritage through UNILINK’s about page, which provides context on how institutions like this fit into international education planning.
FAQ
Q1: What type of school is Amerigo Napa Valley – Justin-Siena High School?
It is a Lasallian Catholic college-preparatory high school serving students in grades 9 through 12. The school was formed in 1972 through the merger of Justin High School and Siena High School, both founded in 1966. It belongs to a worldwide network of Lasallian schools operating in eighty-four countries. The school’s mission focuses on providing an excellent education in a Christ-centred community, preparing students for service and leadership.
Q2: How many students attend the school, and what is the average class size?
The school has more than 650 students, with an average class size of 23. The student population includes young people from close to forty different prior schools, twenty countries, and three counties. Fifty-five percent of students report coming from diverse backgrounds. This composition creates a learning environment where students encounter a range of perspectives and experiences.
Q3: What academic programmes and support services are available?
The school offers forty honours and Advanced Placement courses, along with seventeen electives in engineering, science, and the arts. The counselling programme includes three guidance counsellors and two college counsellors. A student support programme assists those with learning differences, and a one-to-one iPad programme is in place. Over 99% of graduates go on to university. Classes begin at 9:00 a.m.
Q4: Does the school offer financial assistance?
Yes. The school provides both need-based tuition assistance and merit-based scholarships. Fifty percent of students receive some form of tuition aid, and the total annual tuition assistance distributed amounts to 4.1 million U.S. dollars. Specific eligibility criteria and application procedures should be confirmed directly with the school’s admissions or financial aid office.
Q5: What transportation options are available?
The school operates seven buses that serve nine towns and three counties. This network can help families living across a relatively broad geographic area access the campus at 4026 Maher Street, Napa, California. For international students, transportation arrangements may depend on housing location and should be planned in advance with the school or a local guardian.
信息来源
- Amerigo Napa Valley – Justin-Siena High School official website, “A Lasallian Catholic High School in Napa, CA,” verified July 2026.
- Justin-Siena “Mission, History, Heritage” page, verified July 2026.
- Justin-Siena “Why Justin-Siena?” page, verified July 2026.
- Justin-Siena “Meet Our Community” page, verified July 2026.
Last updated: July 2026. Programmes, fees and entry requirements are subject to the institution’s current official pages and offer documentation.