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

  • IELTS Academic

    Our child had a clear goal but no steady study routine. Preparation looked calmer and more organized closer to the exam.

    Kerem Kurt

  • IELTS Academic

    Keeping up with IELTS Academic while school was busy was harder than I expected. I'm genuinely thankful to my tutor for being patient.

    Connor Harcourt

  • IELTS Academic

    Our child had a clear goal but no steady study routine. Flexible scheduling helped during a demanding school year. A good connection with the tutor developed quite quickly. The class size kept our child from disappearing into the background. We were able to follow the mock results regularly. We were pleased with the support we received.

    Daniel Connolly

  • IELTS Academic

    After my first attempt, I wanted a calmer and more focused plan for the retake. After a while, the questions started to feel much more familiar.

    Wesley Freeman

  • IELTS Academic

    Our son's school schedule was already very busy. The small group offered peer learning without making it hard to ask questions. We were pleased with the support we received.

    Emiliano Figueroa

  • IELTS Academic

    I had collected too many resources without knowing when to use any of them. There was no overnight miracle, but the progress was easy to see.

    Arjun Sen

  • IELTS Academic

    Full-length mocks helped me get used to the real exam pace. Over time, Writing Task 2 became one of the most organized parts of my IELTS Academic preparation. I became much more comfortable asking questions in class. Thanks to TestPrep for helping me stay on track.

    Akash Mehta

  • IELTS Academic

    Our daughter needed regular support with Academic Reading. Individual lesson time was used around our child's actual needs. We thank the tutor and the TestPrep team.

    Mai Le

  • IELTS Academic

    Our daughter needed regular support with Speaking. Online lessons made it possible to continue without losing time on travel. Joining lessons willingly was one of the clearest signs for us. Individual lesson time was used around our child's actual needs. The plan was adjusted when school exams became busy. We were pleased with the support we received.

    Thiago Mendes

  • IELTS Academic

    The IELTS Academic format felt unnecessarily confusing at first. I started tracking the type of mistake, not just the number of questions I completed. It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. The preparation felt calmer than I expected.

    Ruben Hoffmann

  • IELTS Academic

    Over time, Listening became one of the most organized parts of my IELTS Academic preparation. We reduced the memorized phrases so my answers sounded more natural. I became much more comfortable asking questions in class.

    Youngmin Sung

  • IELTS Academic

    Over time, Speaking became one of the most organized parts of my IELTS Academic preparation. I left the exam feeling that I had done what I could.

    Irem Tekin

  • IELTS Academic

    After my first attempt, I wanted the second round of preparation to feel more organized. My tutor usually asked me to explain my thinking before stepping in. After enough examples of the same question type, the repeated mistakes decreased. The writing feedback helped me stop repeating the same sentence-level errors. There was no overnight miracle, but the progress was easy to see. I'm glad I worked with my tutor through this process.

    Arianna Ferrara

  • IELTS Academic

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. We didn't spend extra time on things I already knew. After a while, the questions started to feel much more familiar. The preparation felt calmer than I expected.

    Elin Nyberg

  • IELTS Academic

    In Speaking, timing was costing me more points than the content itself. Choosing questions by topic made my practice time much more useful. I found a better balance between regular school and exam preparation. I'm glad I worked with my tutor through this process.

    Vikram Suri

  • IELTS Academic

    Over time, Writing Task 2 became one of the most organized parts of my IELTS Academic preparation. I started tracking the type of mistake, not just the number of questions I completed. It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. I wasn't trying to learn new topics at the very last minute. I'm genuinely thankful to my tutor for being patient.

    Nathan Paterson

  • IELTS Academic

    Over time, Academic Reading became one of the most organized parts of my IELTS Academic preparation. One bad mock no longer made me want to drop the whole plan. The writing feedback helped me stop repeating the same sentence-level errors. I started noticing the reason for a mistake much faster. I went into the exam much calmer than I would have before. I was really happy with the lessons.

    Kyungsoo Moon

  • IELTS Academic

    We reduced the memorized phrases so my answers sounded more natural. Thanks to TestPrep for helping me stay on track.

    Lenka Solberg

  • IELTS Academic

    After my first attempt, I wanted a calmer and more focused plan for the retake. Lesson times could fit around school, university or work. After a while, the questions started to feel much more familiar. I was really happy with the lessons.

    Autumn Harmon

  • IELTS Academic

    A good connection with the tutor developed quite quickly. Communication with the team was straightforward and our questions were answered. We were pleased with the support we received.

    Marcos Campos

  • IELTS Academic

    Keeping up with IELTS Academic while school was busy was harder than I expected. A big thank you to my tutor for all the support :)

    Florencia Meza

  • IELTS Academic

    We reduced the memorized phrases so my answers sounded more natural. The preparation felt calmer than I expected.

    Sneha Sandhu

  • IELTS Academic

    The IELTS Academic format felt unnecessarily confusing at first. 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. Thanks to everyone who supported me.

    Sooyoung Nam

  • IELTS Academic

    In Writing Task 2, timing was costing me more points than the content itself. Breaking Writing Task 2 into smaller pieces worked much better for me. My tutor made it easy to ask questions from the first lesson. I developed a clearer way to return to the text during reading questions. I started noticing the reason for a mistake much faster. I was really happy with the lessons.

    Georgia McGrath

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500+ students supported|4.9/5 rating

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