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

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. We didn't spend extra time on things I already knew. I stopped choosing answers by feel and started looking for evidence in the passage. My tutor usually asked me to explain my thinking before stepping in. Lesson times could fit around school, university or work. A big thank you to my tutor for all the support :)

    Lauren Callahan

  • Digital SAT

    Our son's school schedule was already very busy. Being able to fit lessons around school made the process easier. Preparation looked calmer and more organized closer to the exam. It was good to see confidence returning over time. We were happy with both the teaching and the communication.

    Trisha Saxena

  • Digital SAT

    I started seeing shorter solutions that were easier to check under time pressure. Thanks to TestPrep for helping me stay on track.

    Jack Connors

  • Digital SAT

    After my first attempt, I wanted the second round of preparation to feel more organized. I never felt awkward asking the same thing again. Having the lesson move at my pace made the process feel much easier. Seeing several versions of the same topic made unfamiliar questions less stressful. After a while, the questions started to feel much more familiar. I'm glad I worked with my tutor through this process.

    Zoe Keating

  • Digital SAT

    Everyone recommended different resources and I kept switching between them. After a while, the questions started to feel much more familiar.

    Kennedy Russell

  • Digital SAT

    I was taking Advanced Math at school, but getting used to the exam questions took time. I started tracking the type of mistake, not just the number of questions I completed. I started seeing shorter solutions that were easier to check under time pressure. The preparation felt calmer than I expected.

    Henrik Stanic

  • Digital SAT

    I was taking Craft & Structure at school, but getting used to the exam questions took time. The plan changed with my mock and homework results, so the work never felt random. Timed work showed exactly which section was slowing me down. Thanks to TestPrep for helping me stay on track.

    Elisa Bianco

  • Digital SAT

    We were able to follow the mock results regularly. The overall experience was positive from beginning to end.

    Shanshan Wei

  • Digital SAT

    Discussing why the other choices were wrong helped more than I expected. It was an intense period, but it was worth it.

    Firat Tekin

  • Digital SAT

    Anxiety became more visible as the exam got closer. Joining lessons willingly was one of the clearest signs for us. Being able to fit lessons around school made the process easier. It was good to see confidence returning over time. Communication with the team was straightforward and our questions were answered. Thank you sincerely to everyone involved.

    Trang Truong

  • Digital SAT

    As the exam got closer, I wasn't sure what I should actually review. Near the exam, it was clear what to keep doing and what to stop. We were realistic about what could be improved in the time available. I can now decide much faster when to move on from a question. My preparation became much more regular and easier to track. Thanks to TestPrep for helping me stay on track.

    Emi Sakamoto

  • Digital SAT

    We focused more on understanding what the problem asked than memorizing formulas. Thanks to everyone who supported me.

    Amandine Faure

  • Digital SAT

    I was taking Craft & Structure at school, but getting used to the exam questions took time. My mock results gradually became more consistent.

    Marissa Reynolds

  • 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. Sorting mistakes after each mock changed the way I studied. Thanks to everyone who supported me.

    Ewan Connolly

  • Digital SAT

    Over time, Reading & Writing became one of the most organized parts of my Digital SAT preparation. A lot of my mistakes came from rushing through the wording of the question. I found a better balance between regular school and exam preparation.

    Elena Vitale

  • Digital SAT

    I chose Reading & Writing this year and wanted to build a solid base from the beginning. Full-length mocks helped me get used to the real exam pace. My written answers became shorter, clearer and easier to follow. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. After each test, we looked beyond the score and reviewed the type of each mistake. A big thank you to my tutor for all the support :)

    Nicolas Zuniga

  • Digital SAT

    Breaking Algebra into smaller pieces worked much better for me. A quick check after each answer helped me catch small mistakes. My preparation became much more regular and easier to track.

    Jerome Villanueva

  • Digital SAT

    Having the lesson move at my pace made the process feel much easier. The feedback I received on Information & Ideas was clear and practical. My confidence improved along with the results. Thanks to TestPrep for helping me stay on track.

    Cooper Tully

  • Digital SAT

    When I started preparing for Digital SAT, I wasn't sure what order to study things in. My confidence improved along with the results.

    Chaewon Kang

  • Digital SAT

    I was taking Bluebook adaptif modüller at school, but getting used to the exam questions took time. I was really happy with the lessons.

    Isadora Braga

  • Digital SAT

    Practicing in the real exam format made test day feel much less unfamiliar. Thank you to the tutor who stayed supportive until the end.

    Harry Hartley

  • Digital SAT

    I wasn't starting from zero, but the same mistakes kept showing up in my mocks. We could make the workload lighter during busy weeks at school or university. Having the lesson move at my pace made the process feel much easier. I worked on keeping a steady pace instead of rushing the easy questions. My mock results gradually became more consistent. Thanks to TestPrep for helping me stay on track.

    Tereza Bergman

  • Digital SAT

    We weren't sure whether online lessons would be effective. The tutor's close attention to weaker areas gave us confidence. We were pleased with the support we received.

    Jordan Brooks

  • Digital SAT

    The feedback I received on Standard English Conventions was clear and practical. When I got something wrong, we looked at why I chose that answer instead of only checking the solution. A lot of my mistakes came from rushing through the wording of the question. I left the exam feeling that I had done what I could. My mock results gradually became more consistent. Thanks to TestPrep for helping me stay on track.

    Ryota Kimura

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500+ students supported|4.9/5 rating

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