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

  • Digital SAT

    I was doing questions for Reading & Writing on my own but never had a steady routine. Experiencing the exam format beforehand made test day much less stressful. I found a better balance between regular school and exam preparation. Thank you to my tutor and the TestPrep team.

    Leif Kowalski

  • Digital SAT

    I was close to my target, but my results changed a lot from one test to the next. There was no overnight miracle, but the progress was easy to see.

    Darcy Keating

  • Digital SAT

    Everyone recommended different resources and I kept switching between them. Lesson times could fit around school, university or work. I wasn't trying to learn new topics at the very last minute. I'm genuinely thankful to my tutor for being patient.

    Clement Girard

  • Digital SAT

    Anxiety became more visible as the exam got closer. Being able to fit lessons around school made the process easier. We quickly felt that the tutor was a good match.

    Luca Greco

  • Digital SAT

    Keeping up with Digital SAT while school was busy was harder than I expected. Knowing what to study reduced a lot of the stress.

    Ruby Fletcher

  • Digital SAT

    After my first attempt, I wanted the second round of preparation to feel more organized. I never felt awkward asking the same thing again. Seeing several versions of the same topic made unfamiliar questions less stressful. I'm genuinely thankful to my tutor for being patient.

    Mariana Cisneros

  • Digital SAT

    The feedback I received on Expression of Ideas was clear and practical. I worked on keeping a steady pace instead of rushing the easy questions. After a while, the questions started to feel much more familiar.

    Jonas Bos

  • Digital SAT

    Preparation looked calmer and more organized closer to the exam. We would recommend the program to students and families in a similar situation.

    Matteo Marino

  • Digital SAT

    I finally understood what was going wrong in Geometry & Trigonometry. I started seeing shorter solutions that were easier to check under time pressure. My confidence improved along with the results.

    Kohei Ishii

  • Digital SAT

    I was close to my target, but my results changed a lot from one test to the next. We didn't spend extra time on things I already knew. Knowing what to study reduced a lot of the stress. The preparation felt calmer than I expected.

    Jian Zhang

  • Digital SAT

    What annoyed me most was losing easy points because I rushed. We could make the workload lighter during busy weeks at school or university. We didn't spend extra time on things I already knew. I learned not to spend the same amount of time on every line of a long text. My confidence improved along with the results. I was really happy with the lessons.

    Levi Moroney

  • Digital SAT

    The mocks showed where my time was actually being lost. Breaking Standard English Conventions into smaller pieces worked much better for me. My mock results gradually became more consistent. Thank you to my tutor and the TestPrep team.

    Trent Lawson

  • Digital SAT

    As the exam got closer, I wasn't sure what I should actually review. I'm glad I worked with my tutor through this process.

    Fiona Farley

  • Digital SAT

    I was doing questions for Problem Solving & Data Analysis on my own but never had a steady routine. My tutor could see my reasoning and usually found the source of an error quickly. I found a better balance between regular school and exam preparation. The preparation felt calmer than I expected.

    Skye Jenkins

  • Digital SAT

    I was doing questions for Geometry & Trigonometry on my own but never had a steady routine. My tutor could see my reasoning and usually found the source of an error quickly. My preparation became much more regular and easier to track. It was an intense period, but it was worth it.

    Joris Busch

  • Digital SAT

    When I started preparing for Digital SAT, I wasn't sure what order to study things in. We didn't spend extra time on things I already knew. Sorting mistakes after each mock changed the way I studied. The plan changed with my mock and homework results, so the work never felt random. Lesson times could fit around school, university or work. Thanks to TestPrep for helping me stay on track.

    Claudia Loureiro

  • Digital SAT

    After my first attempt, I wanted the second round of preparation to feel more organized. The class felt relaxed enough to ask questions without overthinking it. My written answers became shorter, clearer and easier to follow. The plan changed with my mock and homework results, so the work never felt random. Even in a group lesson, the tutor knew where each of us stood. I'm genuinely thankful to my tutor for being patient.

    Mei Ishii

  • Digital SAT

    I was taking Standard English Conventions 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. Full-length mocks helped me get used to the real exam pace. Discussing why the other choices were wrong helped more than I expected. Knowing what to study reduced a lot of the stress. Thanks to everyone who supported me.

    Yuxin Feng

  • Digital SAT

    Keeping up with Digital SAT while school was busy was harder than I expected. The mocks showed where my time was actually being lost. I started noticing the reason for a mistake much faster. Thank you to my tutor and the TestPrep team.

    Frieda Kruger

  • Digital SAT

    I was close to my target, but my results changed a lot from one test to the next. Questions from other students often helped me as well. Learning when to leave a hard question made a real difference to my timing. I stopped doing a huge amount one week and nothing the next. Thank you to the tutor who stayed supportive until the end.

    Hamish Jenkins

  • Digital SAT

    Our daughter needed regular support with SAT Math. Communication with the team was straightforward and our questions were answered. We thank the tutor and the TestPrep team.

    Diego Simoes

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. There was no overnight miracle, but the progress was easy to see.

    Niran Raksakul

  • Digital SAT

    Over time, Algebra became one of the most organized parts of my Digital SAT preparation. My confidence improved along with the results.

    Ginevra Lombardi

  • Digital SAT

    The feedback I received on Advanced Math was clear and practical. The plan changed with my mock and homework results, so the work never felt random. We focused more on understanding what the problem asked than memorizing formulas. There was no overnight miracle, but the progress was easy to see. My confidence improved along with the results. Thank you to the tutor who stayed supportive until the end.

    Tessa Connelly

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500+ students supported|4.9/5 rating

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