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

  • A-Level

    Keeping up with A-Level while school was busy was harder than I expected. 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. I was really happy with the lessons.

    Wyatt Barlow

  • A-Level

    Breaking A-Level English Literature into smaller pieces worked much better for me. Going back to the lesson recordings helped when I forgot a small step. Discussing why the other choices were wrong helped more than I expected. My confidence improved along with the results. There was no overnight miracle, but the progress was easy to see. Thanks to TestPrep for helping me stay on track.

    Erin Bevan

  • A-Level

    The class felt relaxed enough to ask questions without overthinking it. The feedback I received on A-Level Computer Science was clear and practical. I wasn't trying to learn new topics at the very last minute. A big thank you to my tutor for all the support :)

    Lewis Caldwell

  • A-Level

    Over time, A-Level Economics became one of the most organized parts of my A-Level preparation. Balancing Quant and Verbal in the same week worked better than studying them in blocks. My mock results gradually became more consistent.

    Seungwoo Heo

  • A-Level

    Seeing several versions of the same topic made unfamiliar questions less stressful. Thanks to everyone who supported me.

    Declan Walsh

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Going back to the lesson recordings helped when I forgot a small step. A clear plan for the final weeks made priorities much easier to see. Reviewing my work against the criteria changed the way I edited it. I went into the exam much calmer than I would have before. Thanks to TestPrep for helping me stay on track.

    Kai Jin

  • A-Level

    As the exam got closer, I wasn't sure what I should actually review. Over time, A-Level History became one of the most organized parts of my A-Level preparation. The plan changed with my mock and homework results, so the work never felt random. Using the mark scheme to review my own answer was surprisingly helpful. After a while, the questions started to feel much more familiar. Thanks to everyone who supported me.

    Poppy Hargreaves

  • A-Level

    As the exam got closer, I wasn't sure what I should actually review. We balanced current school topics with past-paper practice. After a while, the questions started to feel much more familiar. It was an intense period, but it was worth it.

    Thao Ngo

  • A-Level

    Lesson times could fit around school, university or work. Breaking A-Level English Literature into smaller pieces worked much better for me. I found a better balance between regular school and exam preparation. Thanks to TestPrep for helping me stay on track.

    Imogen Bennett

  • A-Level

    The feedback I received on A-Level Chemistry was clear and practical. Once I understood the reasons behind the facts, the questions felt less random. I went into the exam much calmer than I would have before.

    Lei Zhao

  • A-Level

    The group never had more than six students, so it was easy to stay involved. Over time, A-Level Physics became one of the most organized parts of my A-Level preparation. I started noticing the reason for a mistake much faster. Thank you to my tutor and the TestPrep team.

    Manav Iyer

  • A-Level

    I was doing questions for A-Level English Literature on my own but never had a steady routine. My mock results gradually became more consistent.

    Erin Donovan

  • A-Level

    I chose A-Level History this year and wanted to build a solid base from the beginning. We didn't spend extra time on things I already knew. There was no overnight miracle, but the progress was easy to see. Thank you to the tutor who stayed supportive until the end.

    Mason Whitman

  • A-Level

    I chose A-Level English Literature this year and wanted to build a solid base from the beginning. After a while, the questions started to feel much more familiar.

    Arnav Suri

  • A-Level

    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. Balancing Quant and Verbal in the same week worked better than studying them in blocks. Thank you to my tutor and the TestPrep team.

    Caleb Langston

  • A-Level

    Keeping up with A-Level while school was busy was harder than I expected. I finally understood what was going wrong in A-Level Art and Design. By the end of each lesson, I knew what I was supposed to do during the week. I understood that the portfolio needed to show the process, not only the finished piece. I went into the exam much calmer than I would have before. The preparation felt calmer than I expected.

    Alvaro Fuentes

  • A-Level

    Connecting examples back to the main point made my writing more consistent. Thanks to everyone who supported me.

    Levi Hawke

  • A-Level

    After my first attempt, I wanted the second round of preparation to feel more organized. Knowing what to study reduced a lot of the stress.

    Fabien Caron

  • A-Level

    Knowing the topic wasn't always enough; I had to learn which information the question actually needed. Thanks to everyone who supported me.

    Alvaro Antunes

  • A-Level

    Preparation looked calmer and more organized closer to the exam. Seeing the change in our child made us very happy.

    Hiroto Abe

  • A-Level

    Questions from other students often helped me as well. I finally understood what was going wrong in A-Level Psychology. After a while, the questions started to feel much more familiar. A big thank you to my tutor for all the support :)

    Mitchell Lawrence

  • A-Level

    Over time, A-Level Chemistry became one of the most organized parts of my A-Level preparation. I became much more careful with graphs, experiments and data-based questions. Knowing what to study reduced a lot of the stress.

    Meilin Xiao

  • A-Level

    Breaking A-Level Sociology into smaller pieces worked much better for me. My tutor made it easy to ask questions from the first lesson. I learned to make a short plan before starting a long response. I found a better balance between regular school and exam preparation. My preparation became much more regular and easier to track. I'm genuinely thankful to my tutor for being patient.

    Orla Brennan

  • A-Level

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. Breaking A-Level Mathematics into smaller pieces worked much better for me. I stopped doing a huge amount one week and nothing the next. Learning when to leave a hard question made a real difference to my timing. I wasn't trying to learn new topics at the very last minute. A big thank you to my tutor for all the support :)

    Saskia Hendriks

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