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

    The AP Exams format felt unnecessarily confusing at first. There was no overnight miracle, but the progress was easy to see.

    Nanami Watanabe

  • SSAT

    Our child had a clear goal but no steady study routine. Individual lesson time was used around our child's actual needs. A good connection with the tutor developed quite quickly. The plan was adjusted when school exams became busy. We were happy with both the teaching and the communication.

    Cristian Ponce

  • IB Diploma

    After the first attempt, we looked for a calmer plan for the retake. Communication with the team was straightforward and our questions were answered. Returning to actual gaps instead of restarting everything saved time. A good connection with the tutor developed quite quickly. Mistakes became something to work on rather than something to feel bad about. Seeing the change in our child made us very happy.

    Minh Vu

  • IB Diploma

    Breaking IB Chemistry into smaller pieces worked much better for me. By the end of each lesson, I knew what I was supposed to do during the week. Past-paper questions showed me how different topics could appear together. My mock results gradually became more consistent. I left the exam feeling that I had done what I could. Thanks to TestPrep for helping me stay on track.

    Jihoon Yoon

  • A-Level

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

    Kaori Yamashita

  • IB Diploma

    As the exam got closer, I wasn't sure what I should actually review. I finally understood what was going wrong in IB ESS. We could make the workload lighter during busy weeks at school or university. Separating calculation errors from content gaps made revision more useful. My preparation became much more regular and easier to track. Thank you to my tutor and the TestPrep team.

    Eleanor Chandler

  • IMAT

    Everyone recommended different resources and I kept switching between them. I stopped doing a huge amount one week and nothing the next. Having the lesson move at my pace made the process feel much easier. Once I understood the reasons behind the facts, the questions felt less random. I found a better balance between regular school and exam preparation. Thank you to my tutor and the TestPrep team.

    Carter Pritchard

  • UCAT

    I was taking Decision Making at school, but getting used to the exam questions took time. Having the lesson move at my pace made the process feel much easier. I started noticing the reason for a mistake much faster. The preparation felt calmer than I expected.

    Caitlin Paterson

  • IGCSE / GCSE

    Once I understood the reasons behind the facts, the questions felt less random. Thanks to TestPrep for helping me stay on track.

    Alvaro Sequeira

  • AP Exams

    I started seeing shorter solutions that were easier to check under time pressure. Thanks to everyone who supported me.

    Melis Ozturk

  • 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

  • UCAT

    I chose Decision Making this year and wanted to build a solid base from the beginning. I found a better balance between regular school and exam preparation.

    Eliza OConnell

  • LNAT

    Breaking Section A MCQ into smaller pieces worked much better for me. I became much more comfortable asking questions in class.

    Garrett Hastings

  • PTE Academic

    I was doing questions for Listening on my own but never had a steady routine. Breaking Listening into smaller pieces worked much better for me. I stopped doing a huge amount one week and nothing the next. It took time to stop worrying about mistakes in speaking practice, but the lessons felt relaxed. I went into the exam much calmer than I would have before. I'm glad I worked with my tutor through this process.

    Haoran Guo

  • TOEFL iBT

    The feedback I received on Speaking was clear and practical. I wasn't trying to learn new topics at the very last minute.

    Frieda Dekker

  • IGCSE / GCSE

    After my first attempt, I wanted the second round of preparation to feel more organized. By the end of each lesson, I knew what I was supposed to do during the week. I became much more careful with graphs, experiments and data-based questions. I was really happy with the lessons.

    Poppy Warren

  • IMAT

    Our son's school schedule was already very busy. The overall experience was positive from beginning to end.

    Viola Vitale

  • GRE General

    Balancing GRE General preparation with university and work was harder than I expected. The plan changed with my mock and homework results, so the work never felt random. My written answers became shorter, clearer and easier to follow. I was really happy with the lessons.

    Finn Kuiper

  • AP Exams

    We wanted our child to keep up with the school pace in AP European History. We quickly felt that the tutor was a good match.

    Sameer Kohli

  • ACT

    Keeping up with ACT while school was busy was harder than I expected. The preparation felt calmer than I expected.

    Georgia Atkinson

  • 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

  • IB Diploma

    Knowing the topic wasn't always enough; I had to learn which information the question actually needed. Thank you to the tutor who stayed supportive until the end.

    Pauline Roussel

  • IELTS Academic

    Keeping up with IELTS Academic while school was busy was harder than I expected. Thank you to my tutor and the TestPrep team.

    Harriet Warren

  • SSAT

    When I started preparing for SSAT, I wasn't sure what order to study things in. It was an intense period, but it was worth it.

    Pinar Duman

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500+ students supported|4.9/5 rating

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