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

    The feedback I received on Reading & Writing was clear and practical. The plan changed with my mock and homework results, so the work never felt random. A lot of my mistakes came from rushing through the wording of the question. My mock results gradually became more consistent. I'm glad I worked with my tutor through this process.

    Ingrid Kovac

  • Digital SAT

    Our son's school schedule was already very busy. Joining lessons willingly was one of the clearest signs for us. Individual lesson time was used around our child's actual needs. The tutor supported regular study, not only the lesson content. A good connection with the tutor developed quite quickly. We would recommend the program to students and families in a similar situation.

    Trang Do

  • Digital SAT

    The feedback I received on Algebra was clear and practical. One bad mock no longer made me want to drop the whole plan. I started seeing shorter solutions that were easier to check under time pressure. My confidence improved along with the results. Knowing what to study reduced a lot of the stress. Thank you to the tutor who stayed supportive until the end.

    Martin Saavedra

  • Digital SAT

    I can now decide much faster when to move on from a question. A big thank you to my tutor for all the support :)

    Nari Kim

  • Digital SAT

    The lessons started being followed without constant reminders from us. We would recommend the program to students and families in a similar situation.

    Pim Dechawat

  • Digital SAT

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

    Darcy Ainsworth

  • Digital SAT

    I was taking Algebra at school, but getting used to the exam questions took time. I never felt awkward asking the same thing again. Seeing several versions of the same topic made unfamiliar questions less stressful. The preparation felt calmer than I expected.

    Javier Prieto

  • Digital SAT

    I was taking Bluebook adaptif modüller 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. My mock results gradually became more consistent. A big thank you to my tutor for all the support :)

    Gaia Conti

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. I started tracking the type of mistake, not just the number of questions I completed. Lesson times could fit around school, university or work. Sorting mistakes after each mock changed the way I studied. My preparation became much more regular and easier to track. Thank you to my tutor and the TestPrep team.

    Xueying Ma

  • Digital SAT

    I started seeing shorter solutions that were easier to check under time pressure. I'm glad I worked with my tutor through this process.

    Keira Yates

  • Digital SAT

    I was taking Reading & Writing at school, but getting used to the exam questions took time. Thanks to everyone who supported me.

    Ozan Ozturk

  • Digital SAT

    We wanted our child to keep up with the school pace in Craft & Structure. The plan was adjusted when school exams became busy. We quickly felt that the tutor was a good match.

    Mali Meechai

  • Digital SAT

    The feedback I received on Information & Ideas was clear and practical. I left the exam feeling that I had done what I could.

    Ozan Gokce

  • Digital SAT

    Practicing in the real exam format made test day feel much less unfamiliar. I'm glad I worked with my tutor through this process.

    Radhika Sandhu

  • Digital SAT

    The feedback I received on Craft & Structure was clear and practical. I can now decide much faster when to move on from a question. I left the exam feeling that I had done what I could.

    Sude Bilgin

  • Digital SAT

    We noticed that the resources kept changing during independent study. Online lessons made it possible to continue without losing time on travel. Joining lessons willingly was one of the clearest signs for us. Being able to fit lessons around school made the process easier. The tutor supported regular study, not only the lesson content. We were happy with both the teaching and the communication.

    Kennedy Coleman

  • Digital SAT

    We didn't spend extra time on things I already knew. Over time, Geometry & Trigonometry became one of the most organized parts of my Digital SAT preparation. I went into the exam much calmer than I would have before. I was really happy with the lessons.

    Moritz Conrad

  • Digital SAT

    I finally understood what was going wrong in Bluebook adaptif modüller. Knowing what to study reduced a lot of the stress.

    Clement Gaudin

  • Digital SAT

    I was doing questions for Problem Solving & Data Analysis on my own but never had a steady routine. After each test, we looked beyond the score and reviewed the type of each mistake. I started seeing shorter solutions that were easier to check under time pressure. I started tracking the type of mistake, not just the number of questions I completed. Full-length mocks helped me get used to the real exam pace. A big thank you to my tutor for all the support :)

    Ozge Tekin

  • Digital SAT

    After my first attempt, I wanted the second round of preparation to feel more organized. After each test, we looked beyond the score and reviewed the type of each mistake. Seeing several versions of the same topic made unfamiliar questions less stressful. I never felt awkward asking the same thing again. The mocks showed where my time was actually being lost. I was really happy with the lessons.

    Sydney Patterson

  • Digital SAT

    I was doing questions for Problem Solving & Data Analysis on my own but never had a steady routine. Thanks to TestPrep for helping me stay on track.

    Maxime Granger

  • Digital SAT

    I was taking Information & Ideas at school, but getting used to the exam questions took time. Thank you to my tutor and the TestPrep team.

    Ignacio Santillan

  • Digital SAT

    Over time, Reading & Writing became one of the most organized parts of my Digital SAT preparation. I stopped choosing answers by feel and started looking for evidence in the passage. Knowing what to study reduced a lot of the stress.

    Gustavo Santana

  • Digital SAT

    We wanted our child to keep up with the school pace in Algebra. A good connection with the tutor developed quite quickly.

    Nolan Harrington

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500+ students supported|4.9/5 rating

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