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

    Anxiety became more visible as the exam got closer. The overall experience was positive from beginning to end.

    Angus Banfield

  • Digital SAT

    Timed work showed exactly which section was slowing me down. Thanks to TestPrep for helping me stay on track.

    Lucas Silveira

  • Digital SAT

    The lessons started being followed without constant reminders from us. Flexible scheduling helped during a demanding school year. We thank the tutor and the TestPrep team.

    Efe Sari

  • Digital SAT

    As the exam got closer, I wasn't sure what I should actually review. I'm genuinely thankful to my tutor for being patient.

    Ivan Haugen

  • Digital SAT

    Our daughter needed regular support with Problem Solving & Data Analysis. We were able to follow the mock results regularly.

    Mariana Branco

  • Digital SAT

    Learning when to leave a hard question made a real difference to my timing. Thank you to the tutor who stayed supportive until the end.

    Lihua Wang

  • Digital SAT

    We noticed that the resources kept changing during independent study. Joining lessons willingly was one of the clearest signs for us.

    Firat Aksoy

  • Digital SAT

    I was close to my target, but my results changed a lot from one test to the next. Having the lesson move at my pace made the process feel much easier. I started seeing shorter solutions that were easier to check under time pressure. Going back to the lesson recordings helped when I forgot a small step. Lesson times could fit around school, university or work. Thank you to my tutor and the TestPrep team.

    Marina Miranda

  • Digital SAT

    I was close to my target, but my results changed a lot from one test to the next. After a while, the questions started to feel much more familiar.

    Lara Kingston

  • Digital SAT

    Communication with the team was straightforward and our questions were answered. A good connection with the tutor developed quite quickly. We quickly felt that the tutor was a good match.

    Anan Kanjana

  • Digital SAT

    It was good to see confidence returning over time. We would recommend the program to students and families in a similar situation.

    Donghyun Ji

  • Digital SAT

    We weren't sure whether online lessons would be effective. Communication with the team was straightforward and our questions were answered. We would recommend the program to students and families in a similar situation.

    Natalia Gomes

  • Digital SAT

    A good connection with the tutor developed quite quickly. The plan was adjusted when school exams became busy. We were pleased with the support we received.

    Damla Ekinci

  • Digital SAT

    Breaking Information & Ideas into smaller pieces worked much better for me. I wasn't trying to learn new topics at the very last minute.

    Minji Oh

  • Digital SAT

    After the first attempt, we looked for a calmer plan for the retake. A good connection with the tutor developed quite quickly. We quickly felt that the tutor was a good match.

    Ruby Tully

  • Digital SAT

    What annoyed me most was losing easy points because I rushed. I finally understood what was going wrong in Problem Solving & Data Analysis. Near the exam, it was clear what to keep doing and what to stop. Learning when to leave a hard question made a real difference to my timing. After a while, the questions started to feel much more familiar. Thanks to TestPrep for helping me stay on track.

    Florian Caron

  • Digital SAT

    I was taking SAT Math at school, but getting used to the exam questions took time. My tutor could see my reasoning and usually found the source of an error quickly. I started seeing shorter solutions that were easier to check under time pressure. Going back to the lesson recordings helped when I forgot a small step. It was an intense period, but it was worth it.

    Noelia Segura

  • Digital SAT

    A quick check after each answer helped me catch small mistakes. Thank you to the tutor who stayed supportive until the end.

    Hilal Kilic

  • Digital SAT

    After my first attempt, I wanted the second round of preparation to feel more organized. Going back to the lesson recordings helped when I forgot a small step. We didn't spend extra time on things I already knew. Learning when to leave a hard question made a real difference to my timing. I found a better balance between regular school and exam preparation. The preparation felt calmer than I expected.

    Esteban Varela

  • Digital SAT

    Everyone recommended different resources and I kept switching between them. I never felt awkward asking the same thing again. The group never had more than six students, so it was easy to stay involved. I started seeing shorter solutions that were easier to check under time pressure. I started noticing the reason for a mistake much faster. I'm glad I worked with my tutor through this process.

    Valentin Loyola

  • Digital SAT

    I finally understood what was going wrong in Bluebook adaptif modüller. Practicing in the real exam format made test day feel much less unfamiliar. I started noticing the reason for a mistake much faster.

    Yuna Ogawa

  • Digital SAT

    Having the lesson move at my pace made the process feel much easier. I finally understood what was going wrong in Bluebook adaptif modüller. Knowing what to study reduced a lot of the stress. Thank you to the tutor who stayed supportive until the end.

    Luciana Tamayo

  • Digital SAT

    Our daughter needed regular support with Expression of Ideas. Preparation looked calmer and more organized closer to the exam. Joining lessons willingly was one of the clearest signs for us. Topic-based question practice made study time more focused. The tutor supported regular study, not only the lesson content. Seeing the change in our child made us very happy.

    Simran Roy

  • Digital SAT

    I was taking Advanced Math 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. Even in a group lesson, the tutor knew where each of us stood. A quick check after each answer helped me catch small mistakes. I found a better balance between regular school and exam preparation. It was an intense period, but it was worth it.

    Bianca Almeida

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500+ students supported|4.9/5 rating

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