TestPrep
Student Results

Real Score Improvements. Our Students’ Results.

See individual students' starting and later SAT, AP, ACT and GMAT scores (anonymized), with their study periods and program formats. Outcomes vary by student.

500+
Students Supported
Score Improvements

Before and After Results

Real score improvements from students in our SAT, AP, ACT and GMAT programs.

SAT
Türkiye
Before
1180
After
1420
+240
Elif A.4 months
SAT
Türkiye
Before
1250
After
1410
+160
Emre K.2 months
ACT
Türkiye
Before
24
After
34
+10
Selin L.3 months
AP Calculus
Türkiye
Before
3
After
5
+2
Murat T.6 months
GMAT — old GMAT (200-800 scale)
Türkiye
Before
580
After
720
+140
Can Y.4 months
SAT
Türkiye
Before
1180
After
1420
+240
Ayse C.3 months
ACT
Türkiye
Before
27
After
33
+6
Berkay C.2 months
AP Physics
Türkiye
Before
2
After
5
+3
Defne P.8 months
Featured Successes

Detailed Case Studies

In-depth stories from our students who achieved outstanding results.

SAT
Before
1180
After
1420
+240
points
4 monthsPrivate Tutoring

I was devastated after my first SAT attempt. The diagnostic test identified my weak points in Reading and Math, and my tutor created a focused plan. In 4 months I went up 240 points and got accepted to UCLA!

Elif Arslan
Istanbul, Türkiye
Accepted to UCLA
GMAT
Before
580
After
720
+140
points
5 monthsPrivate Tutoring

After trying other programs, TestPrep Istanbul finally worked. The personalized approach to Data Sufficiency and Critical Reasoning made all the difference. Now I'm doing my MBA at Wharton.

Can Yilmaz
Ankara, Türkiye
Accepted to Wharton MBA
ACT
Before
24
After
34
+10
points
3 monthsSmall Group

The Science section was my biggest weakness. My tutor taught me efficient data interpretation strategies. The small group format kept my motivation high and I went from 24 to 34!

Selin Kaya
Izmir, Türkiye
Full Scholarship to Rice University
What Our Students Say

Reviews From Around the World

Reviews from SAT, AP, ACT and GMAT students and their parents.

SAT
Türkiye

"TestPrep Istanbul helped me increase my SAT score by 240 points! The tutors are incredibly knowledgeable and the personalized approach made all the difference."

Ayse Celik
Student
3 months | Private Tutoring | 1180 -> 1420
SAT
Türkiye

"As a parent, I appreciate the regular progress reports and flexibility. My son went from struggling to confident in just 4 months."

Mehmet Yildirim
Parent
4 months | Small Group
ACT
Türkiye

"The practice tests were incredibly realistic. On exam day I felt completely prepared and scored 34!"

Selin Kaya
Student
3 months | Private Tutoring | 24 -> 34
GMAT
Türkiye

"After trying other programs, TestPrep Istanbul finally worked. Their GMAT strategies are next level. I got into Wharton!"

Can Yilmaz
MBA Candidate
5 months | Private Tutoring | 580 → 720 (old GMAT, 200-800 scale)
AP
Türkiye

"I took 4 AP courses with TestPrep Istanbul and scored 5 on all of them. The tutors know exactly what the College Board is looking for."

Defne Polat
Student
8 months | Physics, Calc, Chem, Bio
SAT
Türkiye

"Worth every penny. Our investment in our daughter's education paid off with a full scholarship. Thank you TestPrep Istanbul!"

Ali Demir
Parent
6 months | Private Tutoring
IB
Türkiye

"I was struggling with IB Math HL. My tutor explained concepts step by step and I scored 7 on my IA!"

Beren Ozkan
Student
4 months | Private Tutoring | Math AA HL
IELTS
Türkiye

"I went from 5.5 to 7.5 in Writing. The Speaking strategies really worked."

Kerem Aydin
Student
3 months | Private Tutoring | Overall 8.0

Student reviews

2,000 approved reviewsApproved student reviews across all our courses

  • A-Level

    The feedback I received on A-Level Chemistry was clear and practical. Once I understood the reasons behind the facts, the questions felt less random. I went into the exam much calmer than I would have before.

    Lei Zhao

  • IGCSE / GCSE

    When I started preparing for IGCSE / GCSE, I wasn't sure what order to study things in. During the intensive review, we returned to real gaps instead of restarting everything. I learned not to spend the same amount of time on every line of a long text. My tutor usually asked me to explain my thinking before stepping in. Focusing on past papers and mock review worked well near the exam. A big thank you to my tutor for all the support :)

    Soren Solberg

  • IGCSE / GCSE

    As the exam got closer, I wasn't sure what I should actually review. The plan changed with my mock and homework results, so the work never felt random. Connecting examples back to the main point made my writing more consistent. Thank you to my tutor and the TestPrep team.

    Ruby Elliott

  • LNAT

    Breaking Section B Essay into smaller pieces worked much better for me. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. A lot of my mistakes came from rushing through the wording of the question. I left the exam feeling that I had done what I could. I found a better balance between regular school and exam preparation. A big thank you to my tutor for all the support :)

    Nathan Farley

  • IGCSE / GCSE

    As the exam got closer, I wasn't sure what I should actually review. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. Past-paper questions showed me how different topics could appear together. I'm genuinely thankful to my tutor for being patient.

    Daniel Atkins

  • AP Exams

    Our child had a clear goal but no steady study routine. Individual lesson time was used around our child's actual needs. The plan was adjusted when school exams became busy. We were able to follow the mock results regularly. Seeing the change in our child made us very happy.

    Ines Gallardo

  • IGCSE / GCSE

    I stopped choosing answers by feel and started looking for evidence in the passage. The preparation felt calmer than I expected.

    Riley Ritchie

  • IB Diploma

    As the exam got closer, I wasn't sure what I should actually review. A clear plan for the final weeks made priorities much easier to see. Breaking the draft into smaller parts made it feel much more doable. My tutor made it easy to ask questions from the first lesson. Focusing on past papers and mock review worked well near the exam. I was really happy with the lessons.

    Joonho Ahn

  • AP Exams

    After each test, we looked beyond the score and reviewed the type of each mistake. Breaking AP Human Geography into smaller pieces worked much better for me. My confidence improved along with the results. Thank you to the tutor who stayed supportive until the end.

    Theo Caron

  • Digital SAT

    Our son's school schedule was already very busy. With no more than six students, the tutor had time for everyone. We would recommend the program to students and families in a similar situation.

    Clemence Rolland

  • AP Exams

    I finally understood what was going wrong in AP Biology. I never felt awkward asking the same thing again. Separating calculation errors from content gaps made revision more useful. I went into the exam much calmer than I would have before. I wasn't trying to learn new topics at the very last minute. A big thank you to my tutor for all the support :)

    Thiago Marques

  • AP Exams

    We wanted our child to keep up with the school pace in AP US Government. We would recommend the program to students and families in a similar situation.

    Takumi Nakajima

  • TOEFL iBT

    Balancing TOEFL iBT preparation with university and work was harder than I expected. We didn't spend extra time on things I already knew. The writing feedback helped me stop repeating the same sentence-level errors. My tutor made it easy to ask questions from the first lesson. My tutor could see my reasoning and usually found the source of an error quickly. I'm glad I worked with my tutor through this process.

    Miles Stanton

  • Digital SAT

    I learned not to spend the same amount of time on every line of a long text. The preparation felt calmer than I expected.

    Simran Joshi

  • IB Diploma

    The IB Diploma format felt unnecessarily confusing at first. The plan changed with my mock and homework results, so the work never felt random. We balanced current school topics with past-paper practice. Knowing the criteria from the start made the whole task less vague. I wasn't trying to learn new topics at the very last minute. Thanks to TestPrep for helping me stay on track.

    Gabriela Varela

  • Digital SAT

    When I started preparing for Digital SAT, I wasn't sure what order to study things in. I became much more comfortable asking questions in class.

    Santiago Baez

  • IB Diploma

    I chose IB Physics this year and wanted to build a solid base from the beginning. Full-length mocks helped me get used to the real exam pace. I became much more careful with graphs, experiments and data-based questions. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. Experiencing the exam format beforehand made test day much less stressful. Thanks to TestPrep for helping me stay on track.

    Davide Testa

  • Digital SAT

    I chose Geometry & Trigonometry this year and wanted to build a solid base from the beginning. I'm genuinely thankful to my tutor for being patient.

    Hannah Walsh

  • A-Level

    The group never had more than six students, so it was easy to stay involved. Over time, A-Level Physics became one of the most organized parts of my A-Level preparation. I started noticing the reason for a mistake much faster. Thank you to my tutor and the TestPrep team.

    Manav Iyer

  • GMAT Focus

    In Data Sufficiency, timing was costing me more points than the content itself. My tutor usually asked me to explain my thinking before stepping in. My case responses became more organized and direct. I was really happy with the lessons.

    Erin McGrath

  • PTE Academic

    We weren't sure whether online lessons would be effective. We would recommend the program to students and families in a similar situation.

    Mert Celik

  • PTE Academic

    We wanted our child to keep up with the school pace in Reading. Preparation looked calmer and more organized closer to the exam. Seeing the change in our child made us very happy.

    Marnie Gilmour

  • TOEFL iBT

    The TOEFL iBT format felt unnecessarily confusing at first. One bad mock no longer made me want to drop the whole plan. Lesson times could fit around school, university or work. I developed a clearer way to return to the text during reading questions. After a while, the questions started to feel much more familiar. I'm genuinely thankful to my tutor for being patient.

    Evie Keating

  • IMAT

    Communication with the team was straightforward and our questions were answered. A good connection with the tutor developed quite quickly. We were pleased with the support we received.

    Maddison Whelan

Ready to Be Our Next Success Story?

Take a free diagnostic test to see exactly where you stand. Our expert tutors will create a personalized plan to reach your target score.

  • No commitment required to get started
  • Personalized score analysis and study plan
  • Free comprehensive diagnostic test
500+ students supported|4.9/5 rating

Book a Free Consultation

Fill in your details and we will get back to you.

Free Consultation (Online Video Call)

Message us on WhatsApp or give us a call to discuss your goals and plan the right program. We usually reply within a few hours.