This site uses various technologies, as described in our Privacy Policy, for personalization, measuring website use/performance, and targeted advertising, which may include storing and sharing information about your site visit with third parties. By continuing to use this website you consent to our Privacy Policy and Terms of Use.
I understand
  • Grades K-8
    • Academic  
        Better Grades Bubble
      • Academic
      • LiveOnline Math Tutoring
      • LiveOnline Academic Tutoring
        (All Subjects)
    • SSAT
    • ISEE
    • SHSAT  
      • SHSAT
      • Immersion Course
      • Private Tutoring
      • Free Tests and Events
    • Homework Help  
      • Homework Help
      • Find a Tutor
      • Pricing
      • Subjects
      • Try a Free Session
    • AI Homework Essay Feedback
  • Grades 9-12
    • SAT 
      • SAT Home
      • 1400+ Course
      • 1500+ Tutoring
      • Essentials Course
      • Summer Camp
      • SAT & ACT Self-Paced
      • Private Tutoring
      • Free Tests and Events
      • College Advice
    • ACT 
      • ACT Home
      • 31+ Course
      • 34+ Tutoring
      • Essentials Course
      • Summer Camp
      • ACT & SAT Self-Paced
      • Private Tutoring
      • Free Tests and Events
      • College Advice
    • AP 
      • AP Home
      • 5 Tutoring
      • 4 Course
      • Cram Course
      • Self-Paced
      • Free Tests & Events
    • Academic 
        Better Grades Bubble
      • Academic
      • LiveOnline Math Tutoring
      • LiveOnline Academic Tutoring
        (All Subjects)
      • Free Events
    • Digital PSAT 
      • Digital PSAT Home
      • Essentials Course
      • Private Tutoring
      • Free Tests and Events
      • Digital PSAT Practice Tests
    • Homework Help  
      • Homework Help
      • Find a Tutor
      • Pricing
      • Subjects
      • Try a Free Session
    • College Admissions 
      • College Admissions
      • Senior
      • Junior
      • Sophomore
      • Freshman
      • Webinars
      • College Advice
    • AI College Admissions Essay
  • Graduate
    • LSAT  
      • LSAT Home
      • 165+ Course
      • 165+ Immersion
      • Fundamentals Course
      • Self-Paced
      • Private Tutoring
      • Free Tests and Events
      • Law School Advice
    • MCAT 
      • MCAT Home
      • 515+ Course
      • 515+ Immersion
      • Summer Immersion - San Diego
      • Ultimate Course
      • Self-Paced
      • Private Tutoring
      • Practice Tests & QBank
      • CARS Skill Builder
      • Free Tests and Events
      • Self-Paced Free Trial
      • Med School Advice
    • Med/Dental School Admissions  
      • Medical/Dental School Admissions
      • 2025-26 Application Cycle
      • 2026-27 Application Cycle
      • 2027-28 Application Cycle
      • 2028-29 Application Cycle
      • Webinars
      • Med School Advice
    • GRE  
      • GRE Home
      • 162+ Course
      • 10 Points+ Self-Paced
      • 165+ Tutoring
      • Fundamentals Course
      • Self-Paced
      • Private Tutoring
      • Free Tests and Events
      • Grad School Advice
    • GMAT Focus  
      • GMAT Focus Home
      • 645+ Course
      • Core Concepts Course
      • Self-Paced
      • Private Tutoring
      • Free Tests and Events
      • Business School Advice
    • DAT 
      • DAT Home
      • 430+ Course
      • Fundamentals
      • Private Tutoring
      • Free Tests and Events
    • OAT
    • LiveOnline Academic Tutoring
    • Canadian Medical School
    • Canadian Dental School
    • Homework Help  
      • Homework Help
      • Find a Tutor
      • Pricing
      • Subjects
      • Try a Free Session
    • AI Homework Essay Feedback
  • Professional
    • NCLEX-RN  
      • NCLEX-RN Home
      • QBank
      • Self-Paced
      • Free Events
      • Free Resources
      • Professional Advice
    • CPA  
      • CPA
      • Partnership Program with Surgent
    • CMA  
      • CMA
      • Partnership Program with Surgent
    • CISA  
      • CISA
      • Partnership Program with Surgent
  • AI Hub
  • Partnerships
    • School & District Partnerships  
      • K-12 Home
      • High-Dosage Tutoring
      • Tutor.com
      • Test Prep
      • Professional Development
    • Graduate Test Prep 
      • Graduate Test Prep
      • MCAT
      • LSAT
      • GRE
      • GMAT
      • NCLEX-RN
      • DAT
    • Partner with Us
    • Advertise with Us
    • International Partnerships 
      • International Partnerships
      • International Licensing
      • International Locations
  • Explore Schools
    • Search Schools    
      • Find Colleges
      • Find Business Schools
      • Find Grad Schools
      • Find Med Schools
      • Find Law Schools
    • Rankings & Ratings    
      • Colleges
      • Business Schools
      • Grad Schools
      • Med Schools
      • Law Schools
    • Majors, Careers & Bootcamps    
      • Majors
      • Careers
      • Bootcamps
      • Grad Programs
    • College Admissions Counseling
    • Med School Admissions Counseling
    • Paying for College Resource Center
    • Campus Mental Health Hub
  • Sign In
  • Sign Up
  • My Account
    • Home
    • School Planner
    • Order History
    • Settings

    • Sign Out
Menu Account Account
Call Cart
  • 1-800-273-8439
  • AI Hub
  • Grades K-8
    • Academic
    • SSAT
    • ISEE
    • SHSAT
  • Grades 9-12
      • SAT Prep Home
      • Free Tests & Events
      • Free Tests & Events
    • SAT
      • SAT Prep Home
      • Free Tests & Events
      • College Advice
    • ACT
      • ACT Prep Home
      • Free Tests & Events
      • College Advice
    • AP
    • Academic
    • Digital PSAT
      • Digital PSAT Prep Home
      • Free Tests & Events
  • Graduate
    • MCAT
      • MCAT Prep Home
      • Free Tests & Events
      • Med School Advice
    • LSAT
      • LSAT Prep Home
      • Free Tests & Events
      • Law School Advice
    • GRE
      • GRE Prep Home
      • Free Tests & Events
      • Grad School Advice
    • GMAT Focus
      • GMAT Focus Prep Home
      • Free Tests & Events
      • Business School Advice
    • DAT
      • DAT Prep Home
      • Free Tests & Events
    • OAT
    • TOEFL
  • Professional
    • NCLEX-RN
    • Free Tests & Events
    • Professional Advice
    • CPA
    • CMA
    • CISA
  • Homework Help
  • Private Tutoring
    • SAT
    • ACT
    • MCAT
    • LSAT
    • GRE
    • GMAT
    • AP Exams
    • View More
      • Digital PSAT
      • SSAT
      • ISEE
      • SHSAT
      • TOEFL
  • Admissions
    • College
    • Canadian Medical School Medical School
  • AI Essay Feedback
  • Explore Schools
    • Find Colleges
    • Find a Grad School
    • Majors, Careers, Bootcamps
    • Paying for College
    • Campus Mental Health
  • For Partnerships
    • Institutional Partnerships
    • Graduate Test Prep
  • School Planner
  • Settings
  • Sign Out
  • Homework Help
  • Find a Tutor
  • Pricing
  • Subjects
  • How It Works
  • Pre-Med GPA Booster
  • Need a test prep tutor? Call us: 888-231-7737

Oscar U.

Oscar U. | Tutor in Trigonometry, Biology | 6134306

What do you want to work on?


About Oscar U.

Subjects

Trigonometry, Biology

Education

Bachelors in Biology/Biological Sciences, General from Universidad Nacional de Colombia

Other Interests

Gaming, Microscopy, Swimming


Reviews    (554)


Galicia

Science - Biology

May 19, 2025
Helped me understand.

Emma

Science - Biology

Apr 27, 2025
just need clarification about what the question was asking me so I could complete it. He helped

Jacqueline

Science - Biology

Apr 11, 2025
This person was very pacient with me.

Reid

Science - Biology

Mar 7, 2025
Tutor helped me understand the topic better.

Jennah

Science - Biology

Mar 6, 2025
She was great, helped check my answers even though other tutors found it difficult! I couldnt have gotten a better person!

Karissa

Science - Biology

Feb 26, 2025
good tutor and very helpful

Josh

Science - Biology

Feb 8, 2025
Tutor kind of struggled with showing the work on the question like I did. Luckily, I already have the answers for the homework.

Jordan

Math - Trigonometry

Feb 6, 2025
Great help simply helped me understand a basic algorithm!

Lupita

Math - Trigonometry

Feb 5, 2025
amazing tutor :)

Miriam

Science - Biology

Jan 28, 2025
Simple, straightforward and great time management.

Lane

Science - Biology

Dec 17, 2024
Oscar U is amazing

Shane

Math - Trigonometry

Dec 12, 2024
great honest tutor

Hailie

Science - Biology

Dec 10, 2024
very nice tutor

Kaden

Science - Biology

Nov 22, 2024
This session was good but his explanations were a bit complicated-sounding. Other than that, it was perfect.

Khrizlina

Math - Trigonometry

Oct 30, 2024
Oscar was incredible! Our tutoring session was very quick and he was extremely helpful!

Brian

Science - Biology

Oct 26, 2024
Good help, worked with my lack of knowledge in subject matter.

Carson

Science - Biology

Oct 23, 2024
I understand my topic much more now! This was very very helpful!

Olivia

Science - Biology

Oct 17, 2024
thank you

Israel C.

Math - Trigonometry

Oct 12, 2024
Oscar was such a great tutor! I really enjoyed our session and I learned so much!

Narek S.

Science - Biology

Sep 23, 2024
very enthusiastic and helped a lot

Pedro

Math - Trigonometry

Sep 18, 2024
very helpful

Jose

Science - Biology

Sep 15, 2024
Oscar is great give him a raise!

JaMiya

Science - Biology

Sep 13, 2024
He was amazing and very helpful and patient!!

Evan

Science - Biology

Sep 8, 2024
Mr U helped me a lot thank you m

Lania

Science - Biology

Jun 23, 2024
This tutor was very helpful and patient!

Isaac

Math - Trigonometry

May 27, 2024
Oscar was very knowledgeable and encouraging!

Noely

Science - Biology

May 22, 2024
Oscar was very patient and encouraging. He showed me I was on the right track but needed some adjustment. He made sure my details were achieved. Exceedingly helpful!

Gretchen

Science - Biology

May 21, 2024
My tutor was wonderful and helped me understand a concept i was totally lost on before! He helped come up with practice problems and asked questions to ensure i was truly understanding every component.
View All

Want to get into a great college? Your GPA matters!

The Princeton Review now has tutors online across 40 subjects who can help you 24/7.

We GUARANTEE Better Grades.


Try a Free Session

Enrollment Advisor

1-800-2REVIEW (800-273-8439) ext. 1

1-877-LEARN-30

FAQ


Hours

Mon-Fri 9AM-10PM ET

Sat-Sun 9AM-8PM ET

Student Support

1-800-2REVIEW (800-273-8439) ext. 2

1-877-LEARN-30

FAQ


Hours

Mon-Fri 9AM-9PM ET

Sat-Sun 8:30AM-5PM ET

Partnerships

Teach or Tutor for Us

College Readiness

International

Advertising

Affiliate/Other

About

Enrollment Terms & Conditions

Accessibility

Cigna Medical
Transparency in Coverage

Register Book

Hours

Mon-Fri 9AM-10PM ET

Sat-Sun 9AM-8PM ET

Hours

Mon-Fri 9AM-9PM ET

Sat-Sun 8:30AM-5PM ET

College

  • SAT
  • ACT
  • PSAT
  • AP Tests
  • SAT Subject Tests

Graduate

  • GRE
  • GMAT
  • LSAT
  • MCAT
  • DAT
  • OAT

Academic Subjects

  • Math
  • Science
  • English
  • Social Studies
  • AP Support

Find the Right College

  • College Rankings
  • College Advice
  • Applying to College
  • Financial Aid

School & District Partnerships

  • K-12 Home
  • Tutor.com
  • Test Prep
  • Professional Development
  • About Us

Resources

  • Webinars
  • Advice Articles
  • Videos
  • LiveOnline
  • Private Tutoring
  • Mobile Apps
  • International Offices
  • Counselors

About

  • About
  • Teach or Tutor for Us
  • Work for Us
  • Affiliate Program
  • Partner with Us
  • Advertise with Us
  • Media
  • Contact
  • International Partnerships
  • Our Guarantees
  • Enrollment
    Terms & Conditions
  • Accessibility
  • Accessibility – Canada
  • Cigna Medical
    Transparency in Coverage

Privacy Policy | CA Privacy Notice | Do Not Sell or Share My Personal Information |
Your Opt-Out Rights | Terms of Use | Site Map

©2025 TPR Education IP Holdings, LLC. All Rights Reserved.
The Princeton Review is not affiliated with Princeton University

TPR Education, LLC (doing business as “The Princeton Review”) is
controlled by Primavera Holdings Limited, a firm owned by Chinese
nationals with a principal place of business in Hong Kong, China.

Privacy Policy | CA Privacy Notice | Do Not Sell or Share My Personal Information |
Your Opt-Out Rights | Terms of Use | Site Map

Company X Logo

Want to receive SPECIAL OFFERS from The Princeton Review?