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

    Communication with the team was straightforward and our questions were answered. We would recommend the program to students and families in a similar situation.

    Larissa Lima

  • GMAT Focus

    Over time, Reading Comprehension became one of the most organized parts of my GMAT Focus preparation. I wasn't trying to learn new topics at the very last minute.

    Donghyun Song

  • IB Diploma

    Anxiety became more visible as the exam got closer. Individual lesson time was used around our child's actual needs. Seeing the change in our child made us very happy.

    Juliana Ibarra

  • AP Exams

    I was taking AP Physics 2 at school, but getting used to the exam questions took time. We didn't spend extra time on things I already knew. My preparation became much more regular and easier to track. I'm genuinely thankful to my tutor for being patient.

    Teagan Russell

  • IB Diploma

    Our child had a clear goal but no steady study routine. We were able to follow the mock results regularly. Online lessons made it possible to continue without losing time on travel. The tutor's calm approach helped protect motivation during the intensive period. Mistakes became something to work on rather than something to feel bad about. Thank you sincerely to everyone involved.

    Minji Cha

  • IB Diploma

    We weren't sure whether online lessons would be effective. The tutor's close attention to weaker areas gave us confidence. Joining lessons willingly was one of the clearest signs for us. Preparation looked calmer and more organized closer to the exam. We would recommend the program to students and families in a similar situation.

    Dylan Bennett

  • PTE Academic

    I knew my target, but I didn't have a realistic routine for PTE Academic. Knowing what to study reduced a lot of the stress.

    Gabriela Beltran

  • IGCSE / GCSE

    The lessons where I found the bug myself were the ones I remembered best. Thank you to the tutor who stayed supportive until the end.

    Mathis Morel

  • A-Level

    Questions from other students often helped me as well. Over time, A-Level Accounting became one of the most organized parts of my A-Level preparation. I started noticing the reason for a mistake much faster. Thanks to everyone who supported me.

    Larissa Silveira

  • A-Level

    Balancing Quant and Verbal in the same week worked better than studying them in blocks. I was really happy with the lessons.

    Eliza Redfern

  • SSAT

    I chose Middle Level this year and wanted to build a solid base from the beginning. The plan changed with my mock and homework results, so the work never felt random. The group never had more than six students, so it was easy to stay involved. Timed work showed exactly which section was slowing me down. I went into the exam much calmer than I would have before. I'm glad I worked with my tutor through this process.

    Remi Benoit

  • IB Diploma

    I was taking IB Chemistry at school, but getting used to the exam questions took time. I stopped doing a huge amount one week and nothing the next. Past-paper questions showed me how different topics could appear together. It was an intense period, but it was worth it.

    Clemence Pascal

  • IGCSE / GCSE

    The feedback I received on IGCSE Economics was clear and practical. We could make the workload lighter during busy weeks at school or university. Balancing Quant and Verbal in the same week worked better than studying them in blocks. My mock results gradually became more consistent. Thank you to my tutor and the TestPrep team.

    Carlo Reyes

  • PTE Academic

    After my first attempt, I wanted the second round of preparation to feel more organized. Thank you to the tutor who stayed supportive until the end.

    Pauline Gerard

  • IB Diploma

    School assignments and internal exam dates were included in the schedule. I finally understood what was going wrong in IB Mathematics AI. There was no overnight miracle, but the progress was easy to see. Thanks to TestPrep for helping me stay on track.

    Francesca Gallo

  • IMAT

    Breaking Mathematics into smaller pieces worked much better for me. I started noticing the reason for a mistake much faster.

    Enzo Garcia

  • GRE General

    I had been studying alone, but my results stopped improving after a point. I finally understood what was going wrong in Analytical Writing. Going back to the lesson recordings helped when I forgot a small step. I learned not to spend the same amount of time on every line of a long text. I became much more comfortable asking questions in class. A big thank you to my tutor for all the support :)

    Owen Finley

  • IB Diploma

    Breaking Internal Assessment (IA) into smaller pieces worked much better for me. I never felt awkward asking the same thing again. I realized that choosing a topic, researching and revising each needed its own deadline. I wasn't trying to learn new topics at the very last minute. I found a better balance between regular school and exam preparation. Thanks to TestPrep for helping me stay on track.

    Ethan Coleman

  • UCAT

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

    Lucas Vieira

  • Digital SAT

    After my first attempt, I wanted the second round of preparation to feel more organized. I started tracking the type of mistake, not just the number of questions I completed. We focused more on understanding what the problem asked than memorizing formulas. A big thank you to my tutor for all the support :)

    Grace Spencer

  • IB Diploma

    We wanted our child to keep up with the school pace in Theory of Knowledge (TOK). Joining lessons willingly was one of the clearest signs for us.

    Daniela Escobar

  • IB Diploma

    Over time, IB Biology became one of the most organized parts of my IB Diploma preparation. I stopped doing a huge amount one week and nothing the next. Once I understood the reasons behind the facts, the questions felt less random. Knowing what to study reduced a lot of the stress. I wasn't trying to learn new topics at the very last minute. I'm genuinely thankful to my tutor for being patient.

    Julian Arellano

  • AP Exams

    After my first attempt, I wanted the second round of preparation to feel more organized. The feedback I received on AP Statistics was clear and practical. I never felt awkward asking the same thing again. I started seeing shorter solutions that were easier to check under time pressure. There was no overnight miracle, but the progress was easy to see. Thank you to my tutor and the TestPrep team.

    Yating Jiang

  • GRE General

    My mock scores were inconsistent, so it was hard to judge my actual level. I stopped doing a huge amount one week and nothing the next. I used the question bank regularly to return to weaker topics. A quick check after each answer helped me catch small mistakes. I started noticing the reason for a mistake much faster. I'm glad I worked with my tutor through this process.

    Kunal Anand

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500+ students supported|4.9/5 rating

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