Canyon del Oro

High School

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    Canyon del Oro High School has a 54-year long reputation of providing students with an excellent educational foundation to prepare them for post-secondary opportunities. The campus was built in 1962 and started as a middle school. CDO was founded as a public comprehensive 9-12 high school in 1964. The school is located in Oro Valley, Arizona, located 6 miles (9.7 km) north of Tucson at the base of Pusch Ridge. At one time, CDO had over 3000 students enrolled prior to the building of Ironwood Ridge High School in 2001.

    School Demographics:

    The CDO demographic continues to change slightly over time. These are the current demographics:

     Average Daily Attendance – Year End: 90.0%

    Free & Reduced Lunch: 25% (2010-2011 it was 22%)

    Current Enrollment: 1610

    English Language Learners: .1%

    Special Education Students: 11.2%

    REACH Students: 12.9%

    Graduation Rate: 83.2%

    Drop-Out Rate: 1.8%

    Ethnic Distribution:

    Asian: 3.5%

    Black: 2.9%

    Hispanic: 31.8%

    Native American: 1.7%

    White: 59.1%

    Multi-racial: .9%

    These distributions have remained consistent since 2010-11 with the exception of a 6% increase in Hispanic students and a 6% decrease in White students.

    CDO has consistently been rated as an “A” school by ADE since 2011-2012 based on AIMS.

    Average ACT Composite Score 14-15:

    CDO = 24

    Arizona = 19.7

    Nation = 21

    Average SAT Score Performance 14-15:

    CDO Reading: 518.4              Nation Reading: 496

    CDO Math: 526.4                   Nation Math: 514

    CDO Writing: 499.6                Nation Writing: 488


    • Canyon del Oro continues to be statistically one of the highest achieving schools in Arizona, both academically and athletically.
    • CDO has received the grade of "A" from the Arizona Department of Education during each of past three years.
    • Newsweek Magazine rated CDO in the top 5% of public high schools in 2011, 2012, and 2013, 2015, 2016 and 2017. 
    • The Washington Post recognized CDO from 2012 - 2017 in "The High School Challenge".
    • U.S. News & World Report recognized CDO on their "Best High Schools" list in 2012, 2013, 2015, 2016 and 2017. 
    • The CDO Preschool is the first Career and Technical Education (CTE) preschool to receive a five-star rating statewide.
    • CDO is also home to the 2011, 2014, 2015, 2016 and 2017 Arizona Academic Decathlon State Champions.
    • CDO became an International Baccalaureate World School in 2012.

    Recent State Championships:

    2011, 2012, Division II Boys Golf

    2012, Division II Boys Cross-Country

    2011 & 2012, 4A-1 and Division II Girls Softball

    2015 Division II Baseball

    2016 Division II Softball

    2018 Division II Boys Swim

    Recent State Runner-Up:

    2011 & 2012, Boys and Girls Track and Field

    2013, 2015, Division II Boys Golf

    2014, Division II Softball


  • Enrollment

    To all parents and students new or returning to Canyon del Oro High School, we are pleased you have chosen to be part of our school community.

    To simplify the enrollment process, we have made available to parents an online version of the enrollment packet. In addition to the completed forms, the following documentation is required and must be submitted at the time of enrollment for your child’s enrollment to be considered valid in the Amphitheater School District.

    ENROLLMENT PACKET - click here


    New Student Enrollment

    New Students - If you are from out of state, or outside of the Amphitheater School District, please complete the enrollment packet above and submit with the following required materials:

    • Original certified copy of the birth certificate. 
      • (If born in Arizona, and you need to order a replacement copy, click here to be directed to the Arizona Department of Health Services where you can request one online)
    • Current Immunization record
    • Parent/Guardian proof of identification (i.e. driver’s license)
    • Proof of residency - MANDATORY to register (i.e. utility bill, mortgage, tax bill, lease or rental agreement, pay stub, etc.) 
    • Official Withdrawal form with a Report card/Transcript or withdrawal grades 
    • (IF APPLICABLE) Custody documents, IEP, 504 report, or Gifted information  


    Resident Students

    Students residing inside the Canyon del Oro attendance boundary at the time of enrollment.

    Resident students include students moving from out-of-town and purchasing or leasing a home in the CDO attendance boundary at the time of enrollment.


    Please send all materials to:

    Penny Neisius

    Registrar Phone# (520) 696-5574

    Fax# (520) 696-5746

    Canyon del Oro High School

    25 West Calle Concordia

    Oro Valley, AZ 85704



    Enrollment Related Links

    Free and Reduced Lunch Program

    Immunization/Health Medical

    Counseling Department

    Arizona Department of Health Services - to order replacement birth certificate


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