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

    We noticed that the resources kept changing during independent study. Mistakes became something to work on rather than something to feel bad about.

    Trent Banfield

  • A-Level

    Mistakes became something to work on rather than something to feel bad about. The overall experience was positive from beginning to end.

    Yuto Fujii

  • 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. I stopped choosing answers by feel and started looking for evidence in the passage. Going back to the lesson recordings helped when I forgot a small step. Questions from other students often helped me as well. I'm glad I worked with my tutor through this process.

    Manuela Olvera

  • A-Level

    I finally understood what was going wrong in A-Level Business. Balancing Quant and Verbal in the same week worked better than studying them in blocks. I became much more comfortable asking questions in class.

    Xiaoyu Fan

  • A-Level

    I finally understood what was going wrong in A-Level Accounting. There was no overnight miracle, but the progress was easy to see.

    Ruben Mota

  • A-Level

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

    Autumn Dalton

  • A-Level

    I was close to my target, but my results changed a lot from one test to the next. Thanks to everyone who supported me.

    Yuna Sim

  • A-Level

    I chose A-Level Art and Design this year and wanted to build a solid base from the beginning. Thanks to everyone who supported me.

    Nolan Sinclair

  • A-Level

    Everyone recommended different resources and I kept switching between them. The group never had more than six students, so it was easy to stay involved. Past-paper questions showed me how different topics could appear together. My tutor usually asked me to explain my thinking before stepping in. Questions from other students often helped me as well. I'm glad I worked with my tutor through this process.

    Gonzalo Bustos

  • A-Level

    Anxiety became more visible as the exam got closer. The question bank made independent work between lessons much clearer. We quickly felt that the tutor was a good match.

    Marnie Tarrant

  • A-Level

    Joining lessons willingly was one of the clearest signs for us. Thank you sincerely to everyone involved.

    Kaori Yamashita

  • A-Level

    Breaking A-Level Biology into smaller pieces worked much better for me. Past-paper questions showed me how different topics could appear together. I found a better balance between regular school and exam preparation.

    Yifan Pan

  • A-Level

    What annoyed me most was losing easy points because I rushed. I started noticing the reason for a mistake much faster.

    Antonia Barrera

  • A-Level

    Keeping up with A-Level while school was busy was harder than I expected. Having the lesson move at my pace made the process feel much easier. There was no overnight miracle, but the progress was easy to see. I was really happy with the lessons.

    Tomas Godoy

  • A-Level

    I was close to my target, but my results changed a lot from one test to the next. Even in a group lesson, the tutor knew where each of us stood. Past-paper questions showed me how different topics could appear together. We could make the workload lighter during busy weeks at school or university. Questions from other students often helped me as well. The preparation felt calmer than I expected.

    Alfie Webster

  • A-Level

    The A-Level format felt unnecessarily confusing at first. My tutor made it easy to ask questions from the first lesson. My written code answers became much more organized. I was really happy with the lessons.

    Isla Sanderson

  • A-Level

    I was taking A-Level Sociology at school, but getting used to the exam questions took time. We could make the workload lighter during busy weeks at school or university. Using the mark scheme to review my own answer was surprisingly helpful. The preparation felt calmer than I expected.

    Aditya Rao

  • A-Level

    When I started preparing for A-Level, I wasn't sure what order to study things in. I found a better balance between regular school and exam preparation.

    Aditi Ahuja

  • A-Level

    Online lessons made it possible to continue without losing time on travel. Seeing the change in our child made us very happy.

    Kendall Hawkins

  • A-Level

    Over time, A-Level Further Mathematics became one of the most organized parts of my A-Level preparation. Learning when to leave a hard question made a real difference to my timing. There was no overnight miracle, but the progress was easy to see.

    Manon Fontaine

  • A-Level

    The A-Level format felt unnecessarily confusing at first. After each test, we looked beyond the score and reviewed the type of each mistake. Predicting the output helped me catch small logic errors. One bad mock no longer made me want to drop the whole plan. Experiencing the exam format beforehand made test day much less stressful. Thanks to TestPrep for helping me stay on track.

    Lachlan Daley

  • A-Level

    I was doing questions for A-Level Computer Science on my own but never had a steady routine. Breaking A-Level Computer Science into smaller pieces worked much better for me. I never felt awkward asking the same thing again. I started tracing code line by line instead of only reading it quickly. I wasn't trying to learn new topics at the very last minute. A big thank you to my tutor for all the support :)

    Pieter Wolf

  • A-Level

    I was close to my target, but my results changed a lot from one test to the next. The plan changed with my mock and homework results, so the work never felt random. I could work on exam technique without falling behind in class. Connecting examples back to the main point made my writing more consistent. My mock results gradually became more consistent. I'm genuinely thankful to my tutor for being patient.

    Wyatt McMillan

  • A-Level

    Breaking A-Level Business into smaller pieces worked much better for me. Separating strategy mistakes from content gaps made progress much quicker. Knowing what to study reduced a lot of the stress.

    Seo Do

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500+ students supported|4.9/5 rating

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