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

    We noticed that the resources kept changing during independent study. Preparation looked calmer and more organized closer to the exam. We were happy with both the teaching and the communication.

    Riku Endo

  • A-Level

    The A-Level format felt unnecessarily confusing at first. Breaking A-Level Further Mathematics into smaller pieces worked much better for me. My tutor usually asked me to explain my thinking before stepping in. Seeing several versions of the same topic made unfamiliar questions less stressful. There was no overnight miracle, but the progress was easy to see. Thanks to everyone who supported me.

    Sloane Warren

  • A-Level

    After my first attempt, I wanted the second round of preparation to feel more organized. Choosing questions by topic made my practice time much more useful. I became much more comfortable asking questions in class. It was an intense period, but it was worth it.

    Abbey Tully

  • A-Level

    At the beginning, we knew very little about the A-Level system as parents. A good connection with the tutor developed quite quickly. The small group offered peer learning without making it hard to ask questions. The plan was adjusted when school exams became busy. We were happy with both the teaching and the communication.

    Chai Dechawat

  • A-Level

    Breaking A-Level Further Mathematics into smaller pieces worked much better for me. I became much more comfortable asking questions in class.

    Volkan Ekinci

  • A-Level

    When I started preparing for A-Level, I wasn't sure what order to study things in. I finally understood what was going wrong in A-Level Chemistry. My tutor made it easy to ask questions from the first lesson. Separating calculation errors from content gaps made revision more useful. I went into the exam much calmer than I would have before. The preparation felt calmer than I expected.

    Yating He

  • A-Level

    Keeping up with A-Level while school was busy was harder than I expected. My preparation became much more regular and easier to track.

    Kiara Draper

  • A-Level

    When I started preparing for A-Level, I wasn't sure what order to study things in. We didn't spend extra time on things I already knew. I understood that the portfolio needed to show the process, not only the finished piece. Near the exam, it was clear what to keep doing and what to stop. My tutor could see my reasoning and usually found the source of an error quickly. I'm genuinely thankful to my tutor for being patient.

    Tessa Palmer

  • A-Level

    After the first attempt, we looked for a calmer plan for the retake. A realistic plan for the final weeks reduced stress for the whole family. A good connection with the tutor developed quite quickly. We were able to follow the mock results regularly. Seeing the change in our child made us very happy.

    Ilse Kruger

  • A-Level

    Our child had a clear goal but no steady study routine. The lessons started being followed without constant reminders from us.

    Tegan Quade

  • A-Level

    I was doing questions for A-Level Sociology on my own but never had a steady routine. We didn't spend extra time on things I already knew. Connecting examples back to the main point made my writing more consistent. I never felt awkward asking the same thing again. My tutor could see my reasoning and usually found the source of an error quickly. The preparation felt calmer than I expected.

    Asli Aydin

  • A-Level

    I was doing questions for A-Level Further Mathematics on my own but never had a steady routine. My tutor could see my reasoning and usually found the source of an error quickly. I found a better balance between regular school and exam preparation. I'm glad I worked with my tutor through this process.

    Alana Bennett

  • A-Level

    The A-Level format felt unnecessarily confusing at first. We could make the workload lighter during busy weeks at school or university. Lesson times could fit around school, university or work. I learned not to spend the same amount of time on every line of a long text. My confidence improved along with the results. I'm glad I worked with my tutor through this process.

    Samuele Coppola

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Thank you to my tutor and the TestPrep team.

    Gabriele DeLuca

  • A-Level

    Balancing Quant and Verbal in the same week worked better than studying them in blocks. Thank you to the tutor who stayed supportive until the end.

    Mitchell Whelan

  • A-Level

    Breaking A-Level Chemistry into smaller pieces worked much better for me. Going back to the lesson recordings helped when I forgot a small step. I became much more careful with graphs, experiments and data-based questions. My preparation became much more regular and easier to track. My mock results gradually became more consistent. I'm genuinely thankful to my tutor for being patient.

    Quentin Aubert

  • A-Level

    Our daughter needed regular support with A-Level History. Communication with the team was straightforward and our questions were answered. Being able to fit lessons around school made the process easier. Preparation looked calmer and more organized closer to the exam. We thank the tutor and the TestPrep team.

    Koray Tekin

  • A-Level

    Communication with the team was straightforward and our questions were answered. We were pleased with the support we received.

    Holly Gibson

  • A-Level

    Everyone recommended different resources and I kept switching between them. Focusing on past papers and mock review worked well near the exam. I left the exam feeling that I had done what I could. A big thank you to my tutor for all the support :)

    Brodie Kearney

  • A-Level

    I was taking A-Level Art and Design at school, but getting used to the exam questions took time. My confidence improved along with the results.

    Naina Hegde

  • A-Level

    What annoyed me most was losing easy points because I rushed. I finally understood what was going wrong in A-Level Art and Design. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. I understood that the portfolio needed to show the process, not only the finished piece. I left the exam feeling that I had done what I could. I'm glad I worked with my tutor through this process.

    Lara Vogel

  • A-Level

    Everyone recommended different resources and I kept switching between them. I'm genuinely thankful to my tutor for being patient.

    Fernanda Montoya

  • A-Level

    Everyone recommended different resources and I kept switching between them. After each test, we looked beyond the score and reviewed the type of each mistake. There was no overnight miracle, but the progress was easy to see. Thanks to everyone who supported me.

    Melis Kurt

  • A-Level

    I stopped listing facts in essays and started building an actual argument. I'm glad I worked with my tutor through this process.

    Jiyeon Moon

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500+ students supported|4.9/5 rating

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