Please fill out our SY 2018-2019 budget input by clicking on the link: https://goo.gl/Rg9MQg

      SCHEDULE 2016-17

6:45 a.m. 

Warning Bell

 6:50 a.m. - 8:30 a.m.

1st/4th BLOCK (100 Mins.)

8:35 a.m. – 9:00 a.m. 

Homeroom (25 Mins.) -  *1st Period

9:00 a.m. – 9:15 a.m. 

BREAK (15 Mins.)

9:20 a.m. – 11:00 a.m.

2nd/5th BLOCK (100 Mins.)

11:00 a.m. – 12:00 p.m.

LUNCH (60 Mins.)

12:05 p.m. – 1:45 p.m.

3rd/6th BLOCK (100 Mins.)

1:45 p.m.

Dismissal/Release from School

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


Pick up time: 5:30 am

For more information call 300-5570.


Need Service Learning Hours? Visit the www.guamservicelearning.com from the Agyuda Foundation Program. 

October 12, 2016 at 6pm at the cafeteria.
All attendees will get a dress down pass.

Registration Requirements

  • All incoming 9th grade students must submit an updated PPD results and physical exam prior to Aug. 18,2016.
School Uniforms
  • Uniforms may be purchased at Gino's in Tamuning, across FHP Vision building. You may also contact the vendor at  477-8945.
Progress Reports
  • Please be advised that effective SY 2015-16, THS no longer issues 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.