Los Osos High School in Rancho Cucamonga, CA - Niche

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  • Grades
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  • Reviews
    433 3.8
  • Ranking

Los Osos High School is a public school in Rancho Cucamonga, California. It has 3,233 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 433 reviews written and they have been mostly positive.

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

Ratings and Reviews
3.8 from 433 reviews
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    • Niche User
    • 4
    Overall Experience: This school does not advertise when teams are having try outs. There wasnt enough information regarding college choices for Seniors or Juniors. There are too many out of area transfers. I live and pay taxes within the boundries.
    • High School Senior
    • 2
    Overall Experience: Los Osos is a big school, and it was really hard to get involved in anything. It was very impersonal, but the classes aren't bad. There are only five of six teachers that are hated. Our sports teams suck, except for water polo. The school is also ugly. A bunch of dull, grey, cinder block buildings and one grassy area that nobody can stand on because it's muddy. Also, someone decided it was a good idea to paint these stupid looking cartoon bears on all the buildings. Debate team is good, and so are the choir and drama programs, but that is kind of it.
    • Niche User
    • 4
    Overall Experience: it was fun, good teachers. lacks school spirit compared to neighboring schools
    • Recent Alumnus
    • 4
    Overall Experience: I came to Los Osos High School as a junior and automatically loved it. The environment is amazing, the teachers are great, and most importantly they have some of the greatest sports.
    • Niche User
    • 4
    Overall Experience: I love Los Osos High school!!!

Academics Read more about this school's academics

Nearby Schools

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

Comparable Schools

Niche Grade Name Distance Total Students
4.00 Rancho Cucamonga High School 1 mi. 3,433
3.66 Etiwanda High School 3 mi. 3,260
3.33 Alta Loma High School 4 mi. 2,650
3.33 Summit High School 5 mi. 2,426
2.00 A.B. Miller High School 6 mi. 2,576

Around Los Osos High School

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


Male 51%
Female 48%

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 39.0% 51.0% 37.0% 18.0% 4.0% 27.0% 8.0%
Hispanic 33.0% 25.0% 47.0% 49.0% 84.0% 42.0% 70.0%
Asian 14.0% 4.8% 5.0% 10.0% 1.0% 11.0% 6.0%
African American 10.0% 15.0% 7.0% 17.0% 8.0% 13.0% 13.0%
Multiracial 1.0% 2.8% 1.0% 3.0% 0% 3.0% 0%
Pacific Islander 0% 0.4% 0% 0% 0% 0% 0%
Native American 0% 1.1% 0% 0% 0% 0% 0%


Grade 9 24.7%
Grade 10 25.8%
Grade 11 24.5%
Grade 12 25.1%

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 43 responses

  • 86% Yes
  • 5% Not sure.
  • 9% No

What are the best things about this school?     Based on 38 responses

  • 23% Many chances to get involved
  • 15% School Spirit
  • 14% Staff and students open to helping one another
  • 13% Great sports programs
  • 11% Fantastic teachers
  • 8% Teachers are dedicated to teaching students!
  • 8% I would definitely suggest getting involved in ASB
  • 7% Know for our water polo team,baseball &,wrestling
  • 1% Drama class!!!

What are the worst things about this school?     Based on 35 responses

  • 32% Some teachers should not be teaching AP classes.
  • 23% Admin. gets too involved in personal lives
  • 23% Some teachers should not be teaching.
  • 17% They are strict at times.
  • 2% It's ugly.
  • 2% Communication

What one thing distinguishes this school from other schools?     Based on 40 responses

  • 80% We are a california distinguished school.
  • 10% Academics are great
  • 5% Boys and Girls water polo teams.
  • 2% State of the art facility
  • 2% It's more new than the others

What one word or phrase best describes this school?     Based on 36 responses

  • 33% The best, of the best!
  • 28% One of the best experiences I've had.
  • 19% Academically adept, athletically average
  • 19% Pleasant experience

What is the most helpful tip for a student to know before coming to this school?     Based on 37 responses

  • 78% Do your best, and get innvolved.
  • 8% Older friends give the best advice
  • 8% Find your group of friends right away
  • 5% Believe it, Dream it, Do it

What is your overall opinion of this school?     Based on 30 responses

  • 17% I love everything about this school.
  • 70% I like mostly everything about this school, but there are some things I wish were different.
  • 13% I like a few things about this school, but I'm disappointed in general.
  • 0% I hate everything about this school.