American Diploma


Online School For International Students Seeking An American High School Diploma

Global College is a fully accredited international school in partnership with a top High School USA providing courses leading to the U.S. High School Diploma which are acknowledged and accepted in universities and colleges all around the world.

  • Welcoming International Students: Enroll in our online school and join a diverse community of learners.
  • Earn a US High School Diploma: Obtain a prestigious diploma without the need to travel to the United States.
  • Save Time and Money: Very affordable and avoid the hassle of student visas, travel and accommodation,
  • Wide Range of Subjects and Courses: Choose from numerous undergraduate and graduate degree programs.
  • Flexible Learning Experience: Study at your own pace and time, tailored to your unique needs.
  • Stay in Your Nigeria : Enjoy the convenience of pursuing an international education without leaving your home.



Global SAT is the test prep arm of Global International College, reputed as the leading provider of sixth form education in Nigeria. For several years Global SAT has taken a lead position in preparing people for standardized tests like: SAT, GRE, GMAT, TOEFL and IELTS. Our lead position lies heavily on the experienced test prep tutors that we have.


The SAT is a standardized test widely used for college admissions in the United States. We handle both registration and training for this test. In addition, we prepare students for the SAT subject tests which universities in the US add to the admission requirement for certain courses. The duration of our preparation is three months. Our tutors teach students the different aspects of the SAT and ensure that each student take at least five SAT mock tests (Full-length tests) before they sit the examination. In addition, we ensure that the preparation materials used are current ones. A wide range of preparation materials like the Official SAT, Barrons, McGraw Hill SAT, Kaplan and Peterson’s SAT are used as study materials.

Take Advanced Placement (AP) Courses Online

Advanced Placement courses offer a vital role that helps prepare the student prepare for further education. All courses are college-level and follow a strict curriculum that is specified by the College Board. By taking part in such AP courses it shows you to have more self-control and allows you to study in much richer detail. All AP courses are structured to help prepare the students for success in such exams.

Either a teacher or counsellor letter is required for admission to any AP level course.

Below please find all AP courses offered:

Advanced Placement (AP) English Language and Composition
Advanced Placement (AP) US Government and Politics
Advanced Placement (AP) US History
Advanced Placement (AP) World History
Advanced Placement (AP) Calculus AB
Advanced Placement (AP) Calculus BC
Advanced Placement (AP) Biology
Advanced Placement (AP) Chemistry
Advanced Placement (AP ) French Language and Culture
Advanced Placement (AP) Spanish Language
Each course runs for a singular semester

A students can take up to 2 AP courses per Semester


The GMAT is a standardized test administered by GMAC for graduates seeking admission into Business School. On the other hand, ETS administers the GRE for graduates pursuing higher degrees (Masters and PhD). We handle both training and registration for both tests. The duration of training is six weeks. The official guides for both tests are core in our preparation. Because both tests are Computer Adaptive Tests (CAT) we introduce our students to CAT via ICT in order   for them to get acquainted with CAT format. In addition, students take a minimum of two full length tests before they end their programme.

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