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

    Breaking A-Level Economics into smaller pieces worked much better for me. My tutor made it easy to ask questions from the first lesson. I learned to separate the information needed for a decision from the extra detail. I found a better balance between regular school and exam preparation. There was no overnight miracle, but the progress was easy to see. I was really happy with the lessons.

    Chai Chantarangsu

  • A-Level

    Even in a group lesson, the tutor knew where each of us stood. Over time, A-Level Biology became one of the most organized parts of my A-Level preparation. I went into the exam much calmer than I would have before. Thanks to TestPrep for helping me stay on track.

    Cooper Fletcher

  • A-Level

    A good connection with the tutor developed quite quickly. The overall experience was positive from beginning to end.

    Julian Werner

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. Having the lesson move at my pace made the process feel much easier. I learned to separate the information needed for a decision from the extra detail. I went into the exam much calmer than I would have before. I'm glad I worked with my tutor through this process.

    Priya Nair

  • A-Level

    Past-paper questions showed me how different topics could appear together. I'm genuinely thankful to my tutor for being patient.

    Ming Peng

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Near the exam, it was clear what to keep doing and what to stop. The mocks showed where my time was actually being lost. I stopped listing facts in essays and started building an actual argument. My confidence improved along with the results. Thanks to TestPrep for helping me stay on track.

    Chiara Costa

  • 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

  • A-Level

    The A-Level format felt unnecessarily confusing at first. The group never had more than six students, so it was easy to stay involved. I learned to separate the information needed for a decision from the extra detail. One bad mock no longer made me want to drop the whole plan. The class felt relaxed enough to ask questions without overthinking it. A big thank you to my tutor for all the support :)

    Bora Cha

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. One bad mock no longer made me want to drop the whole plan. I could work on exam technique without falling behind in class. I started seeing shorter solutions that were easier to check under time pressure. My mock results gradually became more consistent. I was really happy with the lessons.

    Miles Gibson

  • A-Level

    I chose A-Level Business this year and wanted to build a solid base from the beginning. Breaking A-Level Business into smaller pieces worked much better for me. Near the exam, it was clear what to keep doing and what to stop. Balancing Quant and Verbal in the same week worked better than studying them in blocks. I went into the exam much calmer than I would have before. Thanks to TestPrep for helping me stay on track.

    Rani Gunawan

  • A-Level

    Keeping up with A-Level while school was busy was harder than I expected. I'm glad I worked with my tutor through this process.

    Ethan Raines

  • A-Level

    I was close to my target, but my results changed a lot from one test to the next. Over time, A-Level Psychology became one of the most organized parts of my A-Level preparation. Near the exam, it was clear what to keep doing and what to stop. I stopped listing facts in essays and started building an actual argument. Knowing what to study reduced a lot of the stress. I'm genuinely thankful to my tutor for being patient.

    Maya Carver

  • A-Level

    I chose A-Level History this year and wanted to build a solid base from the beginning. I wasn't trying to learn new topics at the very last minute.

    Chihiro Saito

  • A-Level

    I became much more careful with graphs, experiments and data-based questions. Thank you to my tutor and the TestPrep team.

    Theo Gerard

  • 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

  • A-Level

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

    Mei Fujita

  • 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

  • A-Level

    Everyone recommended different resources and I kept switching between them. During the intensive review, we returned to real gaps instead of restarting everything. I went into the exam much calmer than I would have before. I'm glad I worked with my tutor through this process.

    Gabriel Campos

  • A-Level

    We noticed that the resources kept changing during independent study. With no more than six students, the tutor had time for everyone. We would recommend the program to students and families in a similar situation.

    Vasco Fuentes

  • A-Level

    Over time, A-Level Physics became one of the most organized parts of my A-Level preparation. Past-paper questions showed me how different topics could appear together. I started noticing the reason for a mistake much faster.

    Manon Reynaud

  • A-Level

    After the first attempt, we looked for a calmer plan for the retake. Online lessons made it possible to continue without losing time on travel. We thank the tutor and the TestPrep team.

    Mitchell Hume

  • A-Level

    A good connection with the tutor developed quite quickly. Preparation looked calmer and more organized closer to the exam. We were happy with both the teaching and the communication.

    Zhihao Dong

  • A-Level

    Over time, A-Level Physics became one of the most organized parts of my A-Level preparation. Past-paper questions showed me how different topics could appear together. There was no overnight miracle, but the progress was easy to see.

    Aurora Costa

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.