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

    Lesson times could fit around school, university or work. The feedback I received on A-Level Accounting was clear and practical. I became much more comfortable asking questions in class. It was an intense period, but it was worth it.

    Leticia Santos

  • A-Level

    Keeping up with A-Level while school was busy was harder than I expected. My tutor made it easy to ask questions from the first lesson. Having the lesson move at my pace made the process feel much easier. Connecting examples back to the main point made my writing more consistent. My preparation became much more regular and easier to track. I was really happy with the lessons.

    Rahul Iyer

  • A-Level

    Everyone recommended different resources and I kept switching between them. The mocks showed where my time was actually being lost. Knowing what to study reduced a lot of the stress. The preparation felt calmer than I expected.

    Rohan Shetty

  • A-Level

    I was doing questions for A-Level Biology on my own but never had a steady routine. It was an intense period, but it was worth it.

    Thiago Vieira

  • A-Level

    What annoyed me most was losing easy points because I rushed. We balanced current school topics with past-paper practice. I left the exam feeling that I had done what I could. A big thank you to my tutor for all the support :)

    Oliver Keating

  • A-Level

    Our child had a clear goal but no steady study routine. The tutor's calm approach helped protect motivation during the intensive period. Joining lessons willingly was one of the clearest signs for us. The tutor supported regular study, not only the lesson content. We were pleased with the support we received.

    Milagros Figueroa

  • A-Level

    Our daughter needed regular support with A-Level History. The lessons started being followed without constant reminders from us.

    Tahlia Hawke

  • A-Level

    Knowing the topic wasn't always enough; I had to learn which information the question actually needed. I was really happy with the lessons.

    Pilar Canales

  • A-Level

    I was close to my target, but my results changed a lot from one test to the next. The group never had more than six students, so it was easy to stay involved. There was no overnight miracle, but the progress was easy to see. Thank you to my tutor and the TestPrep team.

    Brooklyn Chapman

  • A-Level

    The tutor supported regular study, not only the lesson content. We were pleased with the support we received.

    Gael Masson

  • A-Level

    Learning when to leave a hard question made a real difference to my timing. Thank you to my tutor and the TestPrep team.

    Danilo Machado

  • A-Level

    We weren't sure whether online lessons would be effective. Mistakes became something to work on rather than something to feel bad about. The overall experience was positive from beginning to end.

    Jenna Montgomery

  • A-Level

    Breaking A-Level History into smaller pieces worked much better for me. Connecting examples back to the main point made my writing more consistent. My preparation became much more regular and easier to track.

    Autumn Winslow

  • A-Level

    I finally understood what was going wrong in A-Level Economics. I wasn't trying to learn new topics at the very last minute.

    Bryce Coleman

  • 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

  • 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

  • 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

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. We balanced current school topics with past-paper practice. My mock results gradually became more consistent. Thanks to TestPrep for helping me stay on track.

    Hao Cao

  • A-Level

    Our child wasn't sure how to organize the preparation for A-Level. The lessons started being followed without constant reminders from us. Individual lesson time was used around our child's actual needs. Mistakes became something to work on rather than something to feel bad about. The tutor supported regular study, not only the lesson content. Thank you sincerely to everyone involved.

    Connor Fletcher

  • A-Level

    At the beginning, we knew very little about the A-Level system as parents. Preparation looked calmer and more organized closer to the exam. Communication with the team was straightforward and our questions were answered. Being able to fit lessons around school made the process easier. We were able to follow the mock results regularly. We would recommend the program to students and families in a similar situation.

    Arjun Arora

  • A-Level

    The feedback I received on A-Level English Literature was clear and practical. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. Discussing why the other choices were wrong helped more than I expected. My preparation became much more regular and easier to track. I left the exam feeling that I had done what I could. I'm glad I worked with my tutor through this process.

    Joel Whitman

  • A-Level

    We noticed that the resources kept changing during independent study. Flexible scheduling helped during a demanding school year. We were pleased with the support we received.

    Dong Xu

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500+ students supported|4.9/5 rating

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