Tiyan High School was awarded an Initial Accreditation by Western Association of Schools and Colleges (WASC). 

Congratulations Titans!
National Career Readiness Certificate NCRC recipients, 43 Students out of 59 who took the test! Gold (1), Silver (24), Bronze (18)

THANK YOU WASC TEAM! Dr. Bustcher and Ms. Paulino




  • 7:30 AM – 8:00 AM: Breakfast

    8:00 AM – 10:00 AM: Session 1

    10:00 AM – 10:10 AM: Break

    10:10 AM – 12:10 PM: Session 2

  • August 17, 2015- First day of classes

  • Gates Open: 5:45 a.m. - 12:45 p.m. (Busses)
  • Main Office: 7:00 a.m. - 2:00 p.m. except on Holidays and Weekends.
  • Business Office: 6:30 a.m. -1:15 pm.
  • Counseling Office: 6:45 a.m. -1:15 pm. (Close until Aug.14)
  • Nurse’s Office: 6:45 a.m. – 1:15 p.m. ((Close until Aug.14)
  • Students are not allowed on campus prior to 6:00 a.m.


Pick up time: 5:30 am

For more information call 300-5570.


View student planners SY 15-16 in student life (bottom of the page).


9th grade - Aug 10 @ 9am Cafeteria

10th grade - Aug 11 @ 9am Cafeteria

11th and 12th grade - Aug 11 @ 10:30 am Cafeteria

Registration Requirements

  • All incoming 9th grade students must submit an updated PPD results and physical exam prior to Aug. 14,2015.
  • Student registration for new students is on-going. Please pick up a registration packet and list of required documents. 
  • Last day to complete registration is July 31, 2015.
Summer School
  • June 22-August 4,2015

School Uniforms
  • SY 2015-2016 will implement a mandatory Uniform School Policy
  • Uniforms may be purchased at Gino's Moda in Agana Shopping Center. You may also contact the vendor at  477-8945.
Progress Reports
  • Please be advised that effective SY 2015-16, THS will no longer issue paper progress progress report. Parents/Guardians are highly encouraged to access their child's grade progess through the Parent Portal, website address: https:\\powerschool.gdoe.net

Department of Education Vision Statement

“Every student:  Responsible, Respectful and Ready for Life”

Department of Education Mission Statement

“Our Educational Community…Prepares All Students for Life, Promotes Excellence, Provides Support”

Tiyan High School Mission Statement

At Tiyan High School, our mission is to provide a challenging learning environment that promotes academic excellence which inspires students to be globally competitive.

Tiyan High School Goals

Goal 1.  Tiyan High School students will graduate prepared to pursue post-secondary education on- or off-island or to assume gainful employment within the public or private sector. 

Goal 2. All Tiyan High School students will successfully progress from grade to grade and from one level of schooling to another in order to maximize the opportunities to successfully graduate from high school.

Goal 3. All Tiyan High School instructional personnel will meet high standards for qualifications and ongoing professional development and will be held accountable for all assigned responsibilities.

Goal 4. Tiyan High School Community will establish and sustain a safe, positive and supportive environment.

Goal 5. All GDOE operations activities will maximize the critical uses of limited resources and meet high standards of accountability.

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