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

    After my first attempt, I wanted the second round of preparation to feel more organized. I used the question bank regularly to return to weaker topics. I left the exam feeling that I had done what I could. Thanks to everyone who supported me.

    Wouter Keller

  • AP Exams

    After my first attempt, I wanted the second round of preparation to feel more organized. The preparation felt calmer than I expected.

    Yifan Gao

  • Digital SAT

    Practicing in the real exam format made test day feel much less unfamiliar. Thank you to the tutor who stayed supportive until the end.

    Harry Hartley

  • AP Exams

    Anxiety became more visible as the exam got closer. Joining lessons willingly was one of the clearest signs for us. The lessons started being followed without constant reminders from us. The tutor's close attention to weaker areas gave us confidence. We were pleased with the support we received.

    Chase Connelly

  • TOEFL iBT

    I chose Listening this year and wanted to build a solid base from the beginning. I became much more comfortable asking questions in class.

    Delaney Porter

  • IMAT

    Breaking Chemistry into smaller pieces worked much better for me. I left the exam feeling that I had done what I could.

    Finn Tarrant

  • IGCSE / GCSE

    I was doing questions for IGCSE Psychology on my own but never had a steady routine. I found a better balance between regular school and exam preparation.

    Aoi Murakami

  • GMAT Focus

    Balancing GMAT Focus preparation with university and work was harder than I expected. There was no overnight miracle, but the progress was easy to see.

    Ananya Chawla

  • YÖS / TR-YÖS

    Our child wasn't sure how to organize the preparation for YÖS / TR-YÖS. Preparation looked calmer and more organized closer to the exam.

    Shota Takeuchi

  • LNAT

    I finally understood what was going wrong in Section B Essay. A lot of my mistakes came from rushing through the wording of the question. My preparation became much more regular and easier to track.

    Leandro Meza

  • A-Level

    Anxiety became more visible as the exam got closer. The class size kept our child from disappearing into the background. Preparation looked calmer and more organized closer to the exam. Joining lessons willingly was one of the clearest signs for us. We were happy with both the teaching and the communication.

    Zeynep Tekin

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. We could make the workload lighter during busy weeks at school or university. Having the lesson move at my pace made the process feel much easier. I worked on keeping a steady pace instead of rushing the easy questions. My mock results gradually became more consistent. Thanks to TestPrep for helping me stay on track.

    Tereza Bergman

  • IGCSE / GCSE

    I was taking IGCSE Art and Design at school, but getting used to the exam questions took time. I was really happy with the lessons.

    Viola Amato

  • A-Level

    As the exam got closer, I wasn't sure what I should actually review. I used the question bank regularly to return to weaker topics. I became much more comfortable asking questions in class. I'm glad I worked with my tutor through this process.

    Johan Peric

  • A-Level

    Choosing questions by topic made my practice time much more useful. Breaking A-Level Art and Design into smaller pieces worked much better for me. Knowing what to study reduced a lot of the stress. Thank you to the tutor who stayed supportive until the end.

    Abril Trevino

  • AP Exams

    My written answers became shorter, clearer and easier to follow. It was an intense period, but it was worth it.

    Angus Templeton

  • IELTS Academic

    Over time, Listening became one of the most organized parts of my IELTS Academic preparation. We reduced the memorized phrases so my answers sounded more natural. I became much more comfortable asking questions in class.

    Youngmin Sung

  • A-Level

    As the exam got closer, I wasn't sure what I should actually review. 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. Thanks to TestPrep for helping me stay on track.

    Leandro Teixeira

  • A-Level

    The A-Level format felt unnecessarily confusing at first. The plan changed with my mock and homework results, so the work never felt random. I learned to separate the information needed for a decision from the extra detail. The preparation felt calmer than I expected.

    Giulio DeLuca

  • AP Exams

    I finally understood what was going wrong in AP Biology. I never felt awkward asking the same thing again. Once I understood the reasons behind the facts, the questions felt less random. I became much more comfortable asking questions in class. I left the exam feeling that I had done what I could. The preparation felt calmer than I expected.

    Jiyeon Guk

  • IB Diploma

    We weren't sure whether online lessons would be effective. The lessons started being followed without constant reminders from us. Seeing the change in our child made us very happy.

    Kunal Kapoor

  • IGCSE / GCSE

    It was good to see confidence returning over time. A good connection with the tutor developed quite quickly. We would recommend the program to students and families in a similar situation.

    Mason Talbot

  • IGCSE / GCSE

    Keeping up with IGCSE / GCSE while school was busy was harder than I expected. Thank you to my tutor and the TestPrep team.

    Gustavo Gomes

  • AP Exams

    The AP Exams format felt unnecessarily confusing at first. The preparation felt calmer than I expected.

    Sangho Kang

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500+ students supported|4.9/5 rating

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