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

  • AP Exams

    It was good to see confidence returning over time. The overall experience was positive from beginning to end.

    Kiet Sukhum

  • AP Exams

    Once I understood the reasons behind the facts, the questions felt less random. I'm glad I worked with my tutor through this process.

    Varun Chawla

  • A-Level

    I was doing questions for A-Level Biology on my own but never had a steady routine. It was an intense period, but it was worth it.

    Thiago Vieira

  • Digital SAT

    Everyone recommended different resources and I kept switching between them. After a while, the questions started to feel much more familiar.

    Kennedy Russell

  • ACT

    Everyone recommended different resources and I kept switching between them. Questions from other students often helped me as well. I started noticing the reason for a mistake much faster. It was an intense period, but it was worth it.

    Juliette Guillon

  • IB Diploma

    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. I realized that choosing a topic, researching and revising each needed its own deadline. I was really happy with the lessons.

    Garrett Harmon

  • GRE General

    I came back to Verbal Reasoning after a long break and wasn't sure where to begin. Thanks to TestPrep for helping me stay on track.

    Matilda Aldridge

  • GRE General

    The feedback I received on Analytical Writing was clear and practical. I went into the exam much calmer than I would have before.

    Alper Gokce

  • UCAT

    Our son's school schedule was already very busy. Individual lesson time was used around our child's actual needs. Online lessons made it possible to continue without losing time on travel. The tutor supported regular study, not only the lesson content. We thank the tutor and the TestPrep team.

    Ayaka Matsumoto

  • GRE General

    Over time, Data Analysis became one of the most organized parts of my GRE General preparation. I started noticing the reason for a mistake much faster.

    Connor Brennan

  • LSAT

    Lesson times could fit around school, university or work. Breaking Logical Reasoning into smaller pieces worked much better for me. I found a better balance between regular school and exam preparation. Thanks to everyone who supported me.

    Kaan Akbulut

  • Digital SAT

    I was taking Advanced Math at school, but getting used to the exam questions took time. I started tracking the type of mistake, not just the number of questions I completed. I started seeing shorter solutions that were easier to check under time pressure. The preparation felt calmer than I expected.

    Henrik Stanic

  • GMAT Focus

    I knew my target, but I didn't have a realistic routine for GMAT Focus. I went into the exam much calmer than I would have before.

    Margaux Granger

  • IB Diploma

    After my first attempt, I wanted the second round of preparation to feel more organized. I wasn't trying to learn new topics at the very last minute.

    Marko Ilic

  • Digital SAT

    I was taking Craft & Structure at school, but getting used to the exam questions took time. The plan changed with my mock and homework results, so the work never felt random. Timed work showed exactly which section was slowing me down. Thanks to TestPrep for helping me stay on track.

    Elisa Bianco

  • PTE Academic

    I had been studying alone, but my results stopped improving after a point. We didn't spend extra time on things I already knew. My mock results gradually became more consistent. I was really happy with the lessons.

    Somchai Panyasak

  • AP Exams

    I was taking AP English Literature at school, but getting used to the exam questions took time. Thank you to my tutor and the TestPrep team.

    Carla Mercado

  • GMAT Focus

    I knew my target, but I didn't have a realistic routine for GMAT Focus. It was an intense period, but it was worth it.

    Tao Zeng

  • SSAT

    Breaking Elementary Level into smaller pieces worked much better for me. I stopped doing a huge amount one week and nothing the next. Timed work showed exactly which section was slowing me down. I left the exam feeling that I had done what I could. Knowing what to study reduced a lot of the stress. Thank you to the tutor who stayed supportive until the end.

    Cristian Escobar

  • LNAT

    Our child had a clear goal but no steady study routine. The class size kept our child from disappearing into the background. Flexible scheduling helped during a demanding school year. We were able to follow the mock results regularly. The overall experience was positive from beginning to end.

    Morgan Sawyer

  • A-Level

    What annoyed me most was losing easy points because I rushed. We balanced current school topics with past-paper practice. I left the exam feeling that I had done what I could. A big thank you to my tutor for all the support :)

    Oliver Keating

  • IGCSE / GCSE

    I was close to my target, but my results changed a lot from one test to the next. My tutor could see my reasoning and usually found the source of an error quickly. I went into the exam much calmer than I would have before. Thank you to the tutor who stayed supportive until the end.

    Mette Babic

  • IGCSE / GCSE

    Everyone recommended different resources and I kept switching between them. Breaking IGCSE Accounting into smaller pieces worked much better for me. Near the exam, it was clear what to keep doing and what to stop. My case responses became more organized and direct. Knowing what to study reduced a lot of the stress. Thanks to everyone who supported me.

    Natalie Sutton

  • SSAT

    A quick check after each answer helped me catch small mistakes. Thanks to TestPrep for helping me stay on track.

    Holly Stanton

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500+ students supported|4.9/5 rating

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