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 was taking A-Level English Literature at school, but getting used to the exam questions took time. My tutor could see my reasoning and usually found the source of an error quickly. After a while, the questions started to feel much more familiar. Thanks to TestPrep for helping me stay on track.

    Dylan Sutton

  • A-Level

    I finally understood what was going wrong in A-Level Biology. Knowing what to study reduced a lot of the stress.

    Rafael Machado

  • A-Level

    Joining lessons willingly was one of the clearest signs for us. We were happy with both the teaching and the communication.

    Gustavo Rezende

  • A-Level

    With data-heavy questions, I began reading the task before getting lost in the table. I was really happy with the lessons.

    Dylan Yates

  • A-Level

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

    Minh Le

  • A-Level

    I was taking A-Level Art and Design at school, but getting used to the exam questions took time. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. Focusing on past papers and mock review worked well near the exam. Reviewing my work against the criteria changed the way I edited it. My mock results gradually became more consistent. A big thank you to my tutor for all the support :)

    Ece Bilgin

  • A-Level

    A clear plan for the final weeks made priorities much easier to see. Breaking A-Level Computer Science into smaller pieces worked much better for me. I left the exam feeling that I had done what I could. I'm genuinely thankful to my tutor for being patient.

    Kerem Gokce

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Breaking A-Level Physics into smaller pieces worked much better for me. We could make the workload lighter during busy weeks at school or university. Separating calculation errors from content gaps made revision more useful. I found a better balance between regular school and exam preparation. I'm genuinely thankful to my tutor for being patient.

    Facundo Trevino

  • A-Level

    Breaking A-Level Computer Science into smaller pieces worked much better for me. I started tracing code line by line instead of only reading it quickly. I left the exam feeling that I had done what I could.

    Berk Turan

  • A-Level

    Source questions became easier once I noticed how small details affected the mark. Thanks to TestPrep for helping me stay on track.

    Hamish Sutherland

  • A-Level

    When I started preparing for A-Level, I wasn't sure what order to study things in. 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. I was really happy with the lessons.

    Samuel Hargreaves

  • A-Level

    I finally understood what was going wrong in A-Level Business. My tutor made it easy to ask questions from the first lesson. Separating strategy mistakes from content gaps made progress much quicker. After a while, the questions started to feel much more familiar. Knowing what to study reduced a lot of the stress. A big thank you to my tutor for all the support :)

    Finn Ridley

  • A-Level

    Breaking A-Level English Literature into smaller pieces worked much better for me. Going back to the lesson recordings helped when I forgot a small step. My written answers became shorter, clearer and easier to follow. There was no overnight miracle, but the progress was easy to see. I found a better balance between regular school and exam preparation. Thanks to TestPrep for helping me stay on track.

    Neha Pillai

  • 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. A realistic plan for the final weeks reduced stress for the whole family. Joining lessons willingly was one of the clearest signs for us. The lessons started being followed without constant reminders from us. We would recommend the program to students and families in a similar situation.

    Renato Correia

  • A-Level

    At the beginning, we knew very little about the A-Level system as parents. Joining lessons willingly was one of the clearest signs for us.

    Emre Mutlu

  • A-Level

    We wanted our child to keep up with the school pace in A-Level Business. The tutor supported regular study, not only the lesson content. We thank the tutor and the TestPrep team.

    Toby Cormack

  • A-Level

    As the exam got closer, I wasn't sure what I should actually review. I never felt awkward asking the same thing again. Having the lesson move at my pace made the process feel much easier. Past-paper questions showed me how different topics could appear together. I wasn't trying to learn new topics at the very last minute. Thank you to my tutor and the TestPrep team.

    Evie Ainsworth

  • A-Level

    Over time, A-Level Computer Science became one of the most organized parts of my A-Level preparation. Before coding, I began thinking about which structure actually fit the problem. I found a better balance between regular school and exam preparation.

    Maya Nolan

  • A-Level

    I was doing questions for A-Level Mathematics on my own but never had a steady routine. Going back to the lesson recordings helped when I forgot a small step. A quick check after each answer helped me catch small mistakes. Thank you to my tutor and the TestPrep team.

    Itsuki Inoue

  • A-Level

    After my first attempt, I wanted the second round of preparation to feel more organized. I never felt awkward asking the same thing again. Past-paper questions showed me how different topics could appear together. A big thank you to my tutor for all the support :)

    Julian Jacobs

  • A-Level

    Connecting examples back to the main point made my writing more consistent. I'm glad I worked with my tutor through this process.

    Matias Cardenas

  • A-Level

    Anxiety became more visible as the exam got closer. The tutor's calm approach helped protect motivation during the intensive period. We were pleased with the support we received.

    Jiyeon Ma

  • A-Level

    Separating strategy mistakes from content gaps made progress much quicker. Thank you to my tutor and the TestPrep team.

    Haruka Abe

  • A-Level

    I became much more careful with graphs, experiments and data-based questions. It was an intense period, but it was worth it.

    Chiara Ferri

Ready to Be Our Next Success Story?

Take a free diagnostic test to see exactly where you stand. Our expert tutors will create a personalized plan to reach your target score.

  • No commitment required to get started
  • Personalized score analysis and study plan
  • Free comprehensive diagnostic test
500+ students supported|4.9/5 rating

Book a Free Consultation

Fill in your details and we will get back to you.

Free Consultation (Online Video Call)

Message us on WhatsApp or give us a call to discuss your goals and plan the right program. We usually reply within a few hours.