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

  • TOEFL iBT

    I finally understood what was going wrong in Reading. My preparation became much more regular and easier to track.

    Lucie Perrin

  • TOEFL iBT

    I chose Reading this year and wanted to build a solid base from the beginning. After each test, we looked beyond the score and reviewed the type of each mistake. It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. The preparation felt calmer than I expected.

    Daiki Nakagawa

  • TOEFL iBT

    I had collected too many resources without knowing when to use any of them. My preparation became much more regular and easier to track.

    Bianca Conti

  • TOEFL iBT

    Anxiety became more visible as the exam got closer. It was good to see confidence returning over time. We thank the tutor and the TestPrep team.

    Louis Aubert

  • TOEFL iBT

    Our child had a clear goal but no steady study routine. We were pleased with the support we received.

    Noemie Maillard

  • TOEFL iBT

    We wanted our child to keep up with the school pace in Reading. Being able to fit lessons around school made the process easier. We were happy with both the teaching and the communication.

    Viola Grimaldi

  • TOEFL iBT

    The feedback I received on Listening was clear and practical. My tutor usually asked me to explain my thinking before stepping in. The writing feedback helped me stop repeating the same sentence-level errors. My mock results gradually became more consistent. My confidence improved along with the results. The preparation felt calmer than I expected.

    Araya Boonmee

  • TOEFL iBT

    The feedback I received on Writing was clear and practical. My tutor usually asked me to explain my thinking before stepping in. The writing feedback helped me stop repeating the same sentence-level errors. I found a better balance between regular school and exam preparation. I left the exam feeling that I had done what I could. Thanks to everyone who supported me.

    Zheng Liu

  • TOEFL iBT

    The feedback I received on Speaking was clear and practical. I wasn't trying to learn new topics at the very last minute.

    Frieda Dekker

  • TOEFL iBT

    After my first attempt, I wanted the second round of preparation to feel more organized. I finally understood what was going wrong in Integrated Tasks. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. There was no overnight miracle, but the progress was easy to see. I was really happy with the lessons.

    Elise Pascal

  • TOEFL iBT

    Keeping up with TOEFL iBT while school was busy was harder than I expected. We didn't spend extra time on things I already knew. I learned not to lose the rest of a listening task because I missed one word. I stopped doing a huge amount one week and nothing the next. Lesson times could fit around school, university or work. I'm glad I worked with my tutor through this process.

    Lena Dekker

  • TOEFL iBT

    Our child wasn't sure how to organize the preparation for TOEFL iBT. A good connection with the tutor developed quite quickly. The tutor's close attention to weaker areas gave us confidence. The lessons started being followed without constant reminders from us. Flexible scheduling helped during a demanding school year. We were happy with both the teaching and the communication.

    Emiliano Carvajal

  • TOEFL iBT

    We reduced the memorized phrases so my answers sounded more natural. I'm glad I worked with my tutor through this process.

    Wei Chen

  • TOEFL iBT

    The lessons started being followed without constant reminders from us. Online lessons made it possible to continue without losing time on travel. Seeing the change in our child made us very happy.

    Juliette Allard

  • TOEFL iBT

    It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. A big thank you to my tutor for all the support :)

    Damian Arce

  • TOEFL iBT

    I finally understood what was going wrong in Listening. My tutor usually asked me to explain my thinking before stepping in. It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. I went into the exam much calmer than I would have before. I was really happy with the lessons.

    Reina Kobayashi

  • TOEFL iBT

    Over time, Integrated Tasks became one of the most organized parts of my TOEFL iBT preparation. I never felt awkward asking the same thing again. We reduced the memorized phrases so my answers sounded more natural. I left the exam feeling that I had done what I could. My mock results gradually became more consistent. The preparation felt calmer than I expected.

    Erin Clarke

  • TOEFL iBT

    Breaking Integrated Tasks into smaller pieces worked much better for me. My tutor made it easy to ask questions from the first lesson. We reduced the memorized phrases so my answers sounded more natural. My preparation became much more regular and easier to track. I became much more comfortable asking questions in class. Thank you to the tutor who stayed supportive until the end.

    Stefano Caruso

  • TOEFL iBT

    I was taking Writing at school, but getting used to the exam questions took time. I left the exam feeling that I had done what I could.

    Arda Aydin

  • TOEFL iBT

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

    Rory Brennan

  • TOEFL iBT

    My mock scores were inconsistent, so it was hard to judge my actual level. Thank you to the tutor who stayed supportive until the end.

    Lucia Vega

  • TOEFL iBT

    As the exam got closer, I wasn't sure what I should actually review. Thank you to the tutor who stayed supportive until the end.

    Pilar Arriaga

  • TOEFL iBT

    I was doing questions for Reading on my own but never had a steady routine. Thank you to the tutor who stayed supportive until the end.

    Dylan Atkinson

  • TOEFL iBT

    Breaking Speaking into smaller pieces worked much better for me. Knowing what to study reduced a lot of the stress.

    Abril Mercado

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500+ students supported|4.9/5 rating

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