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

    I finally understood what was going wrong in A-Level Business. Balancing Quant and Verbal in the same week worked better than studying them in blocks. I became much more comfortable asking questions in class.

    Xiaoyu Fan

  • IGCSE / GCSE

    Breaking IGCSE English Literature into smaller pieces worked much better for me. My preparation became much more regular and easier to track.

    Aoi Yoshida

  • IMAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Full-length mocks helped me get used to the real exam pace. I became much more careful with graphs, experiments and data-based questions. We could make the workload lighter during busy weeks at school or university. It was an intense period, but it was worth it.

    Haruka Yamashita

  • AP Exams

    I finally understood what was going wrong in AP Psychology. I started tracking the type of mistake, not just the number of questions I completed. I stopped listing facts in essays and started building an actual argument. My confidence improved along with the results. I found a better balance between regular school and exam preparation. A big thank you to my tutor for all the support :)

    Liam Lockwood

  • A-Level

    I finally understood what was going wrong in A-Level Accounting. There was no overnight miracle, but the progress was easy to see.

    Ruben Mota

  • SSAT

    Our child had a clear goal but no steady study routine. A good connection with the tutor developed quite quickly. Individual lesson time was used around our child's actual needs. We were able to follow the mock results regularly. Joining lessons willingly was one of the clearest signs for us. We were pleased with the support we received.

    Irene Guerreiro

  • AP Exams

    Everyone recommended different resources and I kept switching between them. 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. Thank you to my tutor and the TestPrep team.

    Katarina Dudek

  • IGCSE / GCSE

    We weren't sure whether online lessons would be effective. Regular mocks built familiarity with the real exam pace. We quickly felt that the tutor was a good match.

    Eliza Whitlam

  • Digital SAT

    Communication with the team was straightforward and our questions were answered. A good connection with the tutor developed quite quickly. We quickly felt that the tutor was a good match.

    Anan Kanjana

  • AP Exams

    I finally understood what was going wrong in AP Chemistry. The plan changed with my mock and homework results, so the work never felt random. Separating calculation errors from content gaps made revision more useful. Knowing what to study reduced a lot of the stress. I became much more comfortable asking questions in class. Thanks to everyone who supported me.

    Mali Wongchai

  • A-Level

    Our child had a clear goal but no steady study routine. A good connection with the tutor developed quite quickly.

    Autumn Dalton

  • UCAT

    I can now decide much faster when to move on from a question. Thanks to TestPrep for helping me stay on track.

    Paula Villanueva

  • Digital SAT

    It was good to see confidence returning over time. We would recommend the program to students and families in a similar situation.

    Donghyun Ji

  • LSAT

    The feedback I received on timed section practice was clear and practical. Near the exam, it was clear what to keep doing and what to stop. I stopped choosing answers by feel and started looking for evidence in the passage. I went into the exam much calmer than I would have before. I started noticing the reason for a mistake much faster. I'm glad I worked with my tutor through this process.

    Joaquin Tapia

  • LSAT

    The feedback I received on Logical Reasoning was clear and practical. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. My written answers became shorter, clearer and easier to follow. I went into the exam much calmer than I would have before. I left the exam feeling that I had done what I could. A big thank you to my tutor for all the support :)

    Wenjing Deng

  • IELTS Academic

    My mock scores were inconsistent, so it was hard to judge my actual level. The feedback I received on Writing Task 1 was clear and practical. My tutor made it easy to ask questions from the first lesson. I developed a clearer way to return to the text during reading questions. I started noticing the reason for a mistake much faster. The preparation felt calmer than I expected.

    Rafael Leite

  • A-Level

    I was close to my target, but my results changed a lot from one test to the next. Thanks to everyone who supported me.

    Yuna Sim

  • IB Diploma

    The IB Diploma format felt unnecessarily confusing at first. The feedback I received on IB Philosophy was clear and practical. The plan changed with my mock and homework results, so the work never felt random. Source questions became easier once I noticed how small details affected the mark. I became much more comfortable asking questions in class. Thank you to my tutor and the TestPrep team.

    Lea Pascal

  • AP Exams

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Thanks to everyone who supported me.

    Roxane Lambert

  • GMAT Focus

    I had collected too many resources without knowing when to use any of them. We didn't spend extra time on things I already knew. We focused more on understanding what the problem asked than memorizing formulas. I stopped doing a huge amount one week and nothing the next. My tutor could see my reasoning and usually found the source of an error quickly. Thank you to the tutor who stayed supportive until the end.

    Duarte Esteves

  • AP Exams

    My written answers became shorter, clearer and easier to follow. A big thank you to my tutor for all the support :)

    Ryota Kaneko

  • A-Level

    I chose A-Level Art and Design this year and wanted to build a solid base from the beginning. Thanks to everyone who supported me.

    Nolan Sinclair

  • SSAT

    Lesson times could fit around school, university or work. Over time, Upper Level became one of the most organized parts of my SSAT preparation. My mock results gradually became more consistent. It was an intense period, but it was worth it.

    Brooke Langford

  • IELTS Academic

    When I started preparing for IELTS Academic, I wasn't sure what order to study things in. Thank you to my tutor and the TestPrep team.

    Shelby Winslow

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500+ students supported|4.9/5 rating

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