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

  • AP Exams

    As the exam got closer, I wasn't sure what I should actually review. Over time, AP Human Geography became one of the most organized parts of my AP Exams preparation. The plan changed with my mock and homework results, so the work never felt random. I stopped listing facts in essays and started building an actual argument. I wasn't trying to learn new topics at the very last minute. Thank you to the tutor who stayed supportive until the end.

    Yaren Tas

  • IGCSE / GCSE

    When I started preparing for IGCSE / GCSE, I wasn't sure what order to study things in. My confidence improved along with the results.

    Haruto Goto

  • GRE General

    We didn't spend extra time on things I already knew. The feedback I received on Section-Adaptive Strategy was clear and practical. I left the exam feeling that I had done what I could. Thanks to TestPrep for helping me stay on track.

    Milena Madsen

  • IGCSE / GCSE

    I chose IGCSE English this year and wanted to build a solid base from the beginning. The plan changed with my mock and homework results, so the work never felt random. Lesson times could fit around school, university or work. Discussing why the other choices were wrong helped more than I expected. My preparation became much more regular and easier to track. I'm genuinely thankful to my tutor for being patient.

    Baran Yucel

  • IB Diploma

    What annoyed me most was losing easy points because I rushed. I'm glad I worked with my tutor through this process.

    Dimas Saputra

  • IB Diploma

    What annoyed me most was losing easy points because I rushed. Thank you to the tutor who stayed supportive until the end.

    Indah Wibowo

  • AP Exams

    The feedback I received on AP English Language was clear and practical. I left the exam feeling that I had done what I could.

    Anna Jansen

  • IB Diploma

    What annoyed me most was losing easy points because I rushed. School assignments and internal exam dates were included in the schedule. My mock results gradually became more consistent. Thank you to the tutor who stayed supportive until the end.

    Radhika Tandon

  • LSAT

    I had collected too many resources without knowing when to use any of them. I finally understood what was going wrong in Argumentative Writing. I stopped doing a huge amount one week and nothing the next. I stopped choosing answers by feel and started looking for evidence in the passage. My confidence improved along with the results. I'm genuinely thankful to my tutor for being patient.

    Haruka Ono

  • AP Exams

    Over time, AP Physics C: E&M became one of the most organized parts of my AP Exams preparation. I stopped doing a huge amount one week and nothing the next. Past-paper questions showed me how different topics could appear together. My confidence improved along with the results. I'm genuinely thankful to my tutor for being patient.

    Alana Finlay

  • UCAT

    Breaking Situational Judgement into smaller pieces worked much better for me. My tutor usually asked me to explain my thinking before stepping in. I can now decide much faster when to move on from a question. Knowing what to study reduced a lot of the stress. My confidence improved along with the results. I was really happy with the lessons.

    Misaki Maeda

  • AP Exams

    I chose AP Computer Science Principles this year and wanted to build a solid base from the beginning. I wasn't trying to learn new topics at the very last minute.

    Martina Vitale

  • YÖS / TR-YÖS

    As the exam got closer, I wasn't sure what I should actually review. After enough examples of the same question type, the repeated mistakes decreased. There was no overnight miracle, but the progress was easy to see. The preparation felt calmer than I expected.

    Pablo Cabrera

  • IGCSE / GCSE

    The feedback I received on IGCSE English was clear and practical. I went into the exam much calmer than I would have before.

    Ana Cardoso

  • Digital SAT

    Our son's school schedule was already very busy. Joining lessons willingly was one of the clearest signs for us. Individual lesson time was used around our child's actual needs. The tutor supported regular study, not only the lesson content. A good connection with the tutor developed quite quickly. We would recommend the program to students and families in a similar situation.

    Trang Do

  • GRE General

    The feedback I received on Section-Adaptive Strategy was clear and practical. My tutor made it easy to ask questions from the first lesson. I worked on keeping a steady pace instead of rushing the easy questions. I went into the exam much calmer than I would have before. I found a better balance between regular school and exam preparation. Thank you to my tutor and the TestPrep team.

    Varun Shah

  • PTE Academic

    I chose Listening this year and wanted to build a solid base from the beginning. By the end of each lesson, I knew what I was supposed to do during the week. The writing feedback helped me stop repeating the same sentence-level errors. Thanks to TestPrep for helping me stay on track.

    Kenji Miura

  • AP Exams

    I was doing questions for AP Human Geography on my own but never had a steady routine. I became much more comfortable asking questions in class.

    Aline Nunes

  • IGCSE / GCSE

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. The plan changed with my mock and homework results, so the work never felt random. Predicting the output helped me catch small logic errors. Thanks to TestPrep for helping me stay on track.

    Amelie Dupuis

  • GMAT Focus

    My mock scores were inconsistent, so it was hard to judge my actual level. My tutor usually asked me to explain my thinking before stepping in. During the intensive review, we returned to real gaps instead of restarting everything. Separating strategy mistakes from content gaps made progress much quicker. I became much more comfortable asking questions in class. Thank you to the tutor who stayed supportive until the end.

    Jihoon Oh

  • ACT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Experiencing the exam format beforehand made test day much less stressful. My preparation became much more regular and easier to track. The preparation felt calmer than I expected.

    Kerem Cakir

  • AP Exams

    After my first attempt, I wanted the second round of preparation to feel more organized. I finally understood what was going wrong in AP Comparative Government. The plan changed with my mock and homework results, so the work never felt random. Using the mark scheme to review my own answer was surprisingly helpful. There was no overnight miracle, but the progress was easy to see. I'm glad I worked with my tutor through this process.

    Nicola Caruso

  • IB Diploma

    Our son's school schedule was already very busy. Online lessons made it possible to continue without losing time on travel. We were pleased with the support we received.

    Andrea Quezada

  • IB Diploma

    Over time, IB Philosophy became one of the most organized parts of my IB Diploma preparation. I stopped listing facts in essays and started building an actual argument. I became much more comfortable asking questions in class.

    Ashleigh Wylie

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