Los Osos High School in Rancho Cucamonga, CA - Niche

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    548 3.8
  • Ranking

Los Osos High School is a public school in Rancho Cucamonga, California. It has 3,150 students in grades 9-12. According to state standards, 77% of students at this school are considered proficient in math and/or reading. There have been 548 reviews written and they have been mostly positive.

6001 Milliken Ave
Rancho Cucamonga, CA 91737
(909) 477-6900

Ratings and Reviews
3.8 from 548 reviews
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    • High School Senior
    • 5
    Health & Safety: never had a problem with me or any friends feeling unsafe at this school
    • High School Senior
    • 5
    Extracurriculars: best extracurriculars, there is a huge variety and there is absolutely everything you could think of! simply amazing
    • High School Senior
    • 3
    Overall Experience: I didn't pay much attention to parents throughout my high school experience but there never seemed to be any major issues
    • High School Senior
    • 5
    Teachers: all the teachers want the best out of their students and expect them to strive in as much as they can. they do all in their power to help you do better and if they themselves cannot further assist you they have other reccomendations
    • Niche User
    • 5
    Extracurriculars: My extracurriculars experience at los osos high school got me into top-notch universities.

Academics Read more about this school's academics

Nearby Schools

Niche Grade Name Type
3.66 Caryn Elementary School Public
3.33 Banyan Elementary School Public
4.00 Rancho Cucamonga High School Public
3.33 Carleton P. Lightfoot Elementary School Public
3.33 Victoria Groves Elementary School Public
3.66 John L. Golden Elementary School Public
3.66 Day Creek Intermediate Public
3.33 Windrows Elementary School Public
2.66 Vineyard Junior High School Public
3.33 Hermosa Elementary School Public
3.33 Terra Vista Elementary School Public
3.33 Deer Canyon Elementary School Public
3.00 Ruth Musser Middle School Public
3.00 Coyote Canyon Elementary School Public
Alta Loma Christian School Private, Religious
3.00 Etiwanda Intermediate Public
3.00 Dona Merced Elementary School Public
3.33 Etiwanda Colony Elementary School Public
4.00 Grapeland Elementary School Public
3.00 Summit Intermediate Public
Etiwanda Community Day Public, Alternative, All-Boys
West End Community Day Public, Alternative
3.00 Upland Christian Academy Private, Religious
3.00 Alta Loma Elementary School Public
Sacred Heart Parish School Private, Religious
3.33 Etiwanda High School Public
3.33 Perdew Elementary School Public
St. Peter & St. Paul School Private, Religious
3.00 Central Elementary School Public
Water of Life Christian School Private, Religious
2.66 Cucamonga Middle School Public
3.00 Alta Loma Junior High School Public
3.33 West Heritage Elementary School Public
3.00 Alta Loma High School Public
3.00 Heritage Intermediate Public
3.00 American Christian Military Academy Private, Religious
3.00 Carnelian Elementary School Public
2.00 Cucamonga Elementary School Public
Montessori Child Development Center Private, Montessori
2.33 Rancho Cucamonga Middle School Public
3.00 Jasper Elementary School Public
3.33 Floyd M. Stork Elementary School Public
Montessori School House Private, Montessori
2.33 Bear Gulch Elementary School Public
3.33 East Heritage Elementary School Public
3.00 Valle Vista Elementary School Public
3.33 David W. Long Elementary School Public
2.00 Almond Elementary School Public
2.33 The Ontario Center Public
San Antonio Christian School Private, Religious
Chaffey District Online High School Public, Alternative
Chaffey Community Day Public, Alternative
Mountain View Christian Academy Private, Religious
2.00 Los Amigos Elementary School Public
Children's Montessori School Private, Montessori
3.00 Cecilia Lucero Solorio Elementary School Public
2.00 Arroyo Elementary School Public
1.66 Valley View High School Public, Alternative
2.33 Hemlock Elementary School Public
2.00 Redwood Elementary School Public
3.00 Foothill Knolls Elementary School Public
2.66 Corona Elementary School Public
3.00 Summit High School Public
1.66 Vineyard Elementary School Public, Magnet
2.33 Dorothy Grant Elementary School Public
St. Mark's Episcopal School Private, Religious
St. Joseph School Private, Religious
3.33 Sierra Vista Elementary School Public
2.00 Live Oak Elementary School Public
3.00 Upland Elementary School Public
3.00 Upland Junior High School Public
2.33 Del Norte Elementary School Public
3.33 Pioneer Junior High School Public
2.00 Mariposa Elementary School Public
2.00 Ray Wiltsey Middle School Public
2.00 Almeria Middle School Public
2.00 Sequoia Middle School Public
2.00 Beech Avenue Elementary School Public
3.66 Valencia Elementary School Public
2.66 Sierra Lakes Elementary School Public
2.00 Berlyn Elementary School Public
2.00 Tokay Elementary School Public
3.33 Magnolia Elementary School Public
2.66 Edison Elementary School Public, Magnet
2.00 Fontana A. B. Miller High School Public
Carden Arbor View School Private
2.00 West Randall Elementary School Public
2.66 Western Christian High School Private, Religious
3.33 Upland High School Public
2.33 Lincoln Elementary School Public
3.66 Pepper Tree Elementary School Public
2.00 Kathy Binks Elementary School Public
2.33 Henry J. Kaiser High School Public
2.00 Chaparral Elementary School Public
2.00 Wayne Ruble Middle School Public
2.00 Euclid Elementary School Public
2.33 Oleander Elementary School Public
3.33 Sycamore Elementary School Public
1.66 Citrus Elementary School Public
3.00 Baldy View Elementary School Public

Comparable Schools

Niche Grade Name Distance Total Students
4.00 Rancho Cucamonga High School 1 mi. 3,436
3.33 Etiwanda High School 3 mi. 3,296
3.00 Alta Loma High School 4 mi. 2,638
3.00 Summit High School 5 mi. 2,463
2.00 Fontana A. B. Miller High School 6 mi. 2,473

Around Los Osos High School

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Student Demographics Read more about this school's student culture and diversity


Female 47%
Male 52%

Student Diversity

Los Osos High School United States Alta Loma High School Etiwanda High School Fontana A. B. Miller High School Rancho Cucamonga High School Summit High School
White 40.0% 51.0% 35.0% 18.0% 4.0% 26.0% 7.0%
Hispanic 33.0% 25.0% 49.0% 50.0% 85.0% 43.0% 71.0%
Asian 13.0% 4.8% 5.0% 9.0% 1.0% 11.0% 6.0%
African American 9.0% 15.0% 7.0% 16.0% 8.0% 13.0% 12.0%
Multiracial 1.0% 2.8% 1.0% 3.0% 0% 4.0% 1.0%
Native American 0% 1.1% 0% 0% 0% 0% 0%
Pacific Islander 0% 0.4% 0% 0% 0% 0% 0%


Grade 9 24.5%
Grade 10 25.7%
Grade 11 24.6%
Grade 12 25.2%

Educational Outcomes Read more about this school's educational outcomes

Student Opinions

If you could do it all over again, would you still want to go to this school?     Based on 83 responses

  • 83% Yes
  • 10% Not sure.
  • 7% No

What are the best things about this school?     Based on 74 responses

  • 17% Many chances to get involved
  • 12% Staff and students open to helping one another
  • 11% Great sports programs
  • 10% School Spirit
  • 10% Academic Excellence
  • 9% Fantastic teachers
  • 8% Teachers are dedicated to teaching students!
  • 7% Know for our water polo team,baseball &,wrestling
  • 6% I would definitely suggest getting involved in ASB
  • 4% Clubs!!!
  • 3% Rennaissance
  • 2% Drama class!!!
  • 0% Peer Counseling

What are the worst things about this school?     Based on 46 responses

  • 29% Some teachers should not be teaching AP classes.
  • 26% Some teachers should not be teaching.
  • 18% Admin. gets too involved in personal lives
  • 14% They are strict at times.
  • 5% There is slight social stratification
  • 3% Students are not allowed to buy outside food.
  • 3% Counselors are not very organized
  • 2% It's ugly.
  • 2% Communication

What one thing distinguishes this school from other schools?     Based on 74 responses

  • 68% We are a california distinguished school.
  • 16% Academics are great
  • 5% Boys and Girls water polo teams.
  • 3% State of the art facility
  • 3% It's more new than the others
  • 3% Best school in the district
  • 1% Sports
  • 1% Teachers care deeply about their students

What one word or phrase best describes this school?     Based on 70 responses

  • 34% One of the best experiences I've had.
  • 23% The best, of the best!
  • 21% Academically adept, athletically average
  • 17% Pleasant experience
  • 3% Academically smart
  • 1% Elitist and isolating

What is the most helpful tip for a student to know before coming to this school?     Based on 50 responses

  • 74% Do your best, and get innvolved.
  • 8% Believe it, Dream it, Do it
  • 6% Older friends give the best advice
  • 6% Don't be afraid to ask the teachers for help
  • 6% Find your group of friends right away

What is your overall opinion of this school?     Based on 67 responses

  • 15% I love everything about this school.
  • 73% I like mostly everything about this school, but there are some things I wish were different.
  • 12% I like a few things about this school, but I'm disappointed in general.
  • 0% I hate everything about this school.