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

  • IB Diploma

    As the exam got closer, I wasn't sure what I should actually review. I finally understood what was going wrong in IB Psychology. One bad mock no longer made me want to drop the whole plan. Using the mark scheme to review my own answer was surprisingly helpful. I became much more comfortable asking questions in class. A big thank you to my tutor for all the support :)

    Blake Bennett

  • IMAT

    Breaking Mathematics into smaller pieces worked much better for me. My tutor usually asked me to explain my thinking before stepping in. Learning when to leave a hard question made a real difference to my timing. I found a better balance between regular school and exam preparation. My preparation became much more regular and easier to track. Thanks to TestPrep for helping me stay on track.

    Marina Almeida

  • A-Level

    I was taking A-Level Mathematics at school, but getting used to the exam questions took time. My tutor usually asked me to explain my thinking before stepping in. Working across different difficulty levels made new questions feel less surprising. Learning when to leave a hard question made a real difference to my timing. I went into the exam much calmer than I would have before. I'm glad I worked with my tutor through this process.

    Mitchell Franklin

  • ACT

    Joining lessons willingly was one of the clearest signs for us. We quickly felt that the tutor was a good match.

    Fajar Ramadhan

  • IGCSE / GCSE

    After the first attempt, we looked for a calmer plan for the retake. The lessons started being followed without constant reminders from us. Preparation looked calmer and more organized closer to the exam. Past-paper work continued without falling behind in current school topics. The plan was adjusted when school exams became busy. We quickly felt that the tutor was a good match.

    Finn Gilmour

  • YÖS / TR-YÖS

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

    Valentin Berger

  • AP Exams

    I was doing questions for AP Art History on my own but never had a steady routine. One bad mock no longer made me want to drop the whole plan. Splitting time between research, making and editing kept the work manageable. Thank you to my tutor and the TestPrep team.

    Jasmine Newell

  • UCAT

    Our daughter needed regular support with Situational Judgement. The lessons started being followed without constant reminders from us. The class size kept our child from disappearing into the background. Joining lessons willingly was one of the clearest signs for us. The plan was adjusted when school exams became busy. Seeing the change in our child made us very happy.

    Ruben Mulder

  • A-Level

    Anxiety became more visible as the exam got closer. We were happy with both the teaching and the communication.

    Mei Fujita

  • IGCSE / GCSE

    I chose IGCSE Business Studies this year and wanted to build a solid base from the beginning. I stopped doing a huge amount one week and nothing the next. Choosing questions by topic made my practice time much more useful. With data-heavy questions, I began reading the task before getting lost in the table. I left the exam feeling that I had done what I could. I'm glad I worked with my tutor through this process.

    Buse Akbulut

  • IMAT

    The feedback I received on Mathematics was clear and practical. My tutor usually asked me to explain my thinking before stepping in. Seeing several versions of the same topic made unfamiliar questions less stressful. Knowing what to study reduced a lot of the stress. I started noticing the reason for a mistake much faster. Thanks to TestPrep for helping me stay on track.

    Mitali Verma

  • IB Diploma

    As the exam got closer, I wasn't sure what I should actually review. Near the exam, it was clear what to keep doing and what to stop. I learned to make a short plan before starting a long response. I was really happy with the lessons.

    Jack Palmer

  • IB Diploma

    What annoyed me most was losing easy points because I rushed. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. During the intensive review, we returned to real gaps instead of restarting everything. Separating strategy mistakes from content gaps made progress much quicker. My preparation became much more regular and easier to track. It was an intense period, but it was worth it.

    Thais Leite

  • SSAT

    Keeping up with SSAT while school was busy was harder than I expected. I used the question bank regularly to return to weaker topics. My confidence improved along with the results. Thank you to my tutor and the TestPrep team.

    Mitchell Corbett

  • UCAT

    As the exam got closer, I wasn't sure what I should actually review. I stopped doing a huge amount one week and nothing the next. During the intensive review, we returned to real gaps instead of restarting everything. A quick check after each answer helped me catch small mistakes. After a while, the questions started to feel much more familiar. The preparation felt calmer than I expected.

    Lihua Song

  • IMAT

    I was taking Biology at school, but getting used to the exam questions took time. Breaking Biology into smaller pieces worked much better for me. Going back to the lesson recordings helped when I forgot a small step. Separating calculation errors from content gaps made revision more useful. After a while, the questions started to feel much more familiar. I'm glad I worked with my tutor through this process.

    Miku Murakami

  • UCAT

    We wanted our child to keep up with the school pace in Decision Making. Mock analysis allowed us to follow progress more clearly. The plan was adjusted when school exams became busy. The tutor supported regular study, not only the lesson content. The overall experience was positive from beginning to end.

    Avery Fletcher

  • LSAT

    I had been studying alone, but my results stopped improving after a point. The plan changed with my mock and homework results, so the work never felt random. Having the lesson move at my pace made the process feel much easier. My written answers became shorter, clearer and easier to follow. I left the exam feeling that I had done what I could. I'm glad I worked with my tutor through this process.

    Antoine Perrin

  • IB Diploma

    When I started preparing for IB Diploma, I wasn't sure what order to study things in. Full-length mocks helped me get used to the real exam pace. My mock results gradually became more consistent. Thanks to everyone who supported me.

    Umut Polat

  • IMAT

    Past-paper questions showed me how different topics could appear together. A big thank you to my tutor for all the support :)

    Anqi Song

  • GMAT Focus

    A quick check after each answer helped me catch small mistakes. I'm genuinely thankful to my tutor for being patient.

    Bo Li

  • SSAT

    I finally understood what was going wrong in Elementary Level. Timed work showed exactly which section was slowing me down. I wasn't trying to learn new topics at the very last minute.

    Nayeon Guk

  • AP Exams

    Our child wasn't sure how to organize the preparation for AP Exams. Flexible scheduling helped during a demanding school year. Being able to fit lessons around school made the process easier. A good connection with the tutor developed quite quickly. Communication with the team was straightforward and our questions were answered. We thank the tutor and the TestPrep team.

    Rui Yuan

  • A-Level

    When I started preparing for A-Level, I wasn't sure what order to study things in. I started tracking the type of mistake, not just the number of questions I completed. A quick check after each answer helped me catch small mistakes. I was really happy with the lessons.

    Leandro Santos

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.