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

    After my first attempt, I wanted the second round of preparation to feel more organized. We could make the workload lighter during busy weeks at school or university. We were realistic about what could be improved in the time available. We focused more on understanding what the problem asked than memorizing formulas. I started noticing the reason for a mistake much faster. Thanks to TestPrep for helping me stay on track.

    Mauricio Urrutia

  • Digital SAT

    I chose Reading & Writing this year and wanted to build a solid base from the beginning. Near the exam, it was clear what to keep doing and what to stop. My tutor could see my reasoning and usually found the source of an error quickly. I stopped choosing answers by feel and started looking for evidence in the passage. I became much more comfortable asking questions in class. The preparation felt calmer than I expected.

    Tobias VanDijk

  • Digital SAT

    The Digital SAT format felt unnecessarily confusing at first. Near the exam, it was clear what to keep doing and what to stop. The class felt relaxed enough to ask questions without overthinking it. I started seeing shorter solutions that were easier to check under time pressure. I found a better balance between regular school and exam preparation. I'm genuinely thankful to my tutor for being patient.

    Emilia Meijer

  • Digital SAT

    Over time, Reading & Writing became one of the most organized parts of my Digital SAT preparation. Discussing why the other choices were wrong helped more than I expected. My mock results gradually became more consistent.

    Lea Renard

  • Digital SAT

    We noticed that the resources kept changing during independent study. Preparation looked calmer and more organized closer to the exam. The tutor supported regular study, not only the lesson content. Regular mocks built familiarity with the real exam pace. The overall experience was positive from beginning to end.

    Joel McIntyre

  • Digital SAT

    We noticed that the resources kept changing during independent study. The tutor supported regular study, not only the lesson content. The lessons started being followed without constant reminders from us. The question bank made independent work between lessons much clearer. Online lessons made it possible to continue without losing time on travel. We would recommend the program to students and families in a similar situation.

    Logan Hensley

  • Digital SAT

    I was taking SAT Math at school, but getting used to the exam questions took time. Questions from other students often helped me as well. I started seeing shorter solutions that were easier to check under time pressure. The plan changed with my mock and homework results, so the work never felt random. The class felt relaxed enough to ask questions without overthinking it. Thank you to my tutor and the TestPrep team.

    Jingyi Fu

  • Digital SAT

    When I started preparing for Digital SAT, I wasn't sure what order to study things in. Breaking Craft & Structure into smaller pieces worked much better for me. My tutor usually asked me to explain my thinking before stepping in. Timed work showed exactly which section was slowing me down. I wasn't trying to learn new topics at the very last minute. Thanks to everyone who supported me.

    Romain Rolland

  • Digital SAT

    Our son's school schedule was already very busy. With no more than six students, the tutor had time for everyone. We would recommend the program to students and families in a similar situation.

    Clemence Rolland

  • Digital SAT

    I learned not to spend the same amount of time on every line of a long text. The preparation felt calmer than I expected.

    Simran Joshi

  • Digital SAT

    When I started preparing for Digital SAT, I wasn't sure what order to study things in. I became much more comfortable asking questions in class.

    Santiago Baez

  • Digital SAT

    I chose Geometry & Trigonometry this year and wanted to build a solid base from the beginning. I'm genuinely thankful to my tutor for being patient.

    Hannah Walsh

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. My tutor could see my reasoning and usually found the source of an error quickly. I worked on keeping a steady pace instead of rushing the easy questions. Going back to the lesson recordings helped when I forgot a small step. A big thank you to my tutor for all the support :)

    Camille Marchand

  • Digital SAT

    Keeping up with Digital SAT while school was busy was harder than I expected. Going back to the lesson recordings helped when I forgot a small step. My tutor could see my reasoning and usually found the source of an error quickly. A quick check after each answer helped me catch small mistakes. There was no overnight miracle, but the progress was easy to see. Thanks to TestPrep for helping me stay on track.

    Goncalo Molina

  • Digital SAT

    I finally understood what was going wrong in Information & Ideas. Sorting mistakes after each mock changed the way I studied. I became much more comfortable asking questions in class.

    Callum Yates

  • Digital SAT

    I was doing questions for SAT Math on my own but never had a steady routine. The preparation felt calmer than I expected.

    Ashleigh Yates

  • Digital SAT

    I was taking Standard English Conventions at school, but getting used to the exam questions took time. My mock results gradually became more consistent.

    Aurora Ferri

  • Digital SAT

    We wanted our child to keep up with the school pace in Advanced Math. Full-length tests showed how time was being used across the exam. We were able to follow the mock results regularly. Flexible scheduling helped during a demanding school year. We were pleased with the support we received.

    Viviana Chacon

  • Digital SAT

    When I started preparing for Digital SAT, I wasn't sure what order to study things in. My preparation became much more regular and easier to track.

    Selin Aydin

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. The preparation felt calmer than I expected.

    Pieter Bos

  • Digital SAT

    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 can now decide much faster when to move on from a question. The preparation felt calmer than I expected.

    Paula Esteves

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. One bad mock no longer made me want to drop the whole plan. Having the lesson move at my pace made the process feel much easier. I stopped choosing answers by feel and started looking for evidence in the passage. I found a better balance between regular school and exam preparation. I'm genuinely thankful to my tutor for being patient.

    Jack Quade

  • Digital SAT

    Keeping up with Digital SAT while school was busy was harder than I expected. I wasn't trying to learn new topics at the very last minute.

    Haoran Wei

  • Digital SAT

    I was close to my target, but my results changed a lot from one test to the next. After each test, we looked beyond the score and reviewed the type of each mistake. I worked on keeping a steady pace instead of rushing the easy questions. My tutor usually asked me to explain my thinking before stepping in. The mocks showed where my time was actually being lost. Thank you to my tutor and the TestPrep team.

    Kayla Benson

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