STI’s Senior High School is committed to develop successful learners equipped with a set of skills or ‘approaches to learning’ which enable them to succeed academically and which enrich the school experience prior to moving on to higher education to ensure that students graduating from STI’s Senior High School can continue to flourish and reach their potential far beyond school. STI Senior High School students develop the ability to self-manage; to be organised and proactive, to be aptly familiar with traditional tools as well as the digital techonolgy. They learn to communicate effectively in writing, when speaking and when using digital media. They learn to form and maintain positive social relationships and the importance of teamwork. Our students learn to reflect on their learning, to think critically and to share their thinking in innovative and creative ways while also caring for their immediate community as well as the world-at-large.

The Senior High School of Sekolah Tunas Indonesia has consistently been accredited Grade A by the Accreditation of the National Accreditation Board.


The Senior High School of Sekolah Tunas Indonesia uses the National Curriculum (K13) and is complemented by a semi-multimedia curriculum wherein during the three years of high school learning process, the students not only learn main subjects but also multimedia skill-based lessons. Several subjects are taught in Multimedia classrooms such as Photography, Videography, and Graphic Design.

In addition to focusing on developing students’ knowledge and skills, STI’s Senior High School also implements various character building programs that are structured to develop students’ character education to apply the 5S Program (Smile (Senyum), Salutation (Salam), Greeting (Sapa), Politeness (Sopan), and Courtesy(Santun)), Formal and Cultural Ceremonial Exercises, Various Holiday and Cultural Celebrations, Seminars & Talkshows, Campus Visits, Basic Leadership Traininga, and also Outdoor Survival and Team Building Exercises.

Futhermore, to support the development of students’ interests and talents, the High School of Sekolah Tunas Indonesia also holds various Extra-Curricular activities, inter-alia:

  1. Basketball Squad
  2. School Band
  3. English Club
  4. Short Movie Club
  5. Fine Arts Society
  6. OSN Preparation (Mathematics, Physics, Chemistry, Biology, Economics, Geography)


Vocal and Physical Warmups

Voice & Speech Work

Language & Communication Skills

Presentation Skills

Drama & Literacy



  • Successfully Graduated from Junior High School (SMP).
  • Minimum aptitude score of B (3.0 GPA) at the Junior High School (SMP) level.
  • Completed Application Form.
  • Interview test with the Head of School
  • Completed the Admissions Test for Mathematics, English and Bahasa Indonesia


  • Birth Certificate (Akta Kelahiran)
  • Family Card (Kartu Keluarga)
  • Identity Cards (KTP) of Both Parents / Guardians
  • Two color profile photos (3 x 4 cm)
  • Photocopy of the Diploma/Certificate of Graduation (Legalized)
  • Report card of latest academic year (Legalized)
  • Birth Certificate (Akta Kelahiran)
  • Family Card (Kartu Keluarga)
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