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    Keystone Education

    4.8 (10 reviews)
    Open 2:00 pm - 6:30 PM
    Updated 1 week ago

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    Recommended Reviews - Keystone Education

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    10 months ago

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    1 year ago

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    1 year ago

    I have a nice experience here,the teachers supported and encouraged me like true friends!

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    3 years ago

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    4 years ago

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    13 years ago

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    6 years ago

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    13 years ago

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    9 years ago

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    12 years ago

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    Ask the Community - Keystone Education

    Is there still a West Covina campus?

    Yes. The West Covina campus is still there. It opens Monday to Friday from 1:00pm-7;30pm

    Don’t See Your Question? Ask Away!

    Review Highlights - Keystone Education

    If you're looking for a fun environment to learn how to conquer the SAT, ACI is the place to be.

    Mentioned in 5 reviews

    Read more highlights

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    5.0
    (78 reviews)
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    Really good experience. Almost all tutors are the same: teaching and answering questions, but Terry…read moregoes beyond that to give deeper explanations to questions and concepts, something I haven't seen in many tutors. The pace of lessons are tailored towards the student; if a faster pace is preferred he can do that, and he really excels in helping those who want to understand how and why everything works together. Very patient in explanations and works to make sure the student understands the concept. Not only that, but he stays up late helping students with math and answering questions past midnight. He cares about his students and I'll definitely miss his classes as I'm off to university. There are many math tutors, but Terry is the person you go to for an in-depth understanding of coursework. Highly recommended for calculus (my experience) and everything else.

    If I could give more than 5 stars, I absolutely would! Terry has been my math tutor since 7th…read moregrade, guiding me through Algebra 1&2, Geometry, Trigonometry, and Calculus AB & BC. He not only focuses on teaching his students but also cares deeply about building strong connections with them. Terry is extremely patient, knowledgeable, and is able to explain confusing topics in a way that was easy to understand. He ensured that I not only understood the topic but also confident in anything I was given! He is also able to understand and adapt to the many different teaching styles by the teachers at my school. No matter the time or day, he was always there for me. I still remember the night before one of my Calculus exams. I was Terry's last student of the day, and our session was supposed to end at 11:30pm. He stayed on the Zoom call with me until midnight, patiently helping me with the questions I struggled to understand. I cannot recommend Terry highly enough. If you're looking for a math tutor who goes above and beyond to support their students, Terry is the perfect choice. Thank you, Terry, for everything you've done for me!

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    Mathnasium

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    4.9
    (78 reviews)
    3.8 mi

    ​I can say with total confidence that Ms. Raven is the most responsible teacher I've encountered…read moreacross all the after-school programs we've tried. Her dedication is unmatched. ​Why This Program Stands Out: ​Personalized Progress Tracking: Ms. Raven tracks every student's progress weekly and personally calls parents to provide updates and listen to any feedback or suggestions. ​Shift in Attitude: My child went from hating math to actually being willing to attend. The "Reward System" they have in place is very effective at keeping kids motivated. ​Self-Paced Learning: Students can work at their own pace, which gives them a great sense of freedom and reduces pressure. ​Curriculum Balance: The material is a mix of what they are currently learning in school and new concepts they haven't seen yet. While it doesn't strictly follow the school's timeline, it keeps them challenged. ​No Homework: Perhaps the best part is that there is no extra homework to bring home. For a child who is already resistant to math, this is a huge plus. ​Ultimate Flexibility: They are open Monday through Saturday, and you can drop in at any time. There are no fixed class slots, which is incredibly convenient for a busy schedule. ​Bottom Line: If you are looking for a supportive environment where your child can overcome their fear of math without the burden of extra homework, I highly recommend this place!

    Very good at teaching math and helping me understand math I love to go back each day and learn more…read morethings. Thank you

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    Sylvan Learning of Diamond Bar

    Sylvan Learning of Diamond Bar

    4.6
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    Sylvan Learning has been such a helpful support system for my daughter. We first came in because…read moreshe was struggling with homework and reading comprehension. Sylvan started by doing a full assessment and then walked us through which program would best fit her needs. We began with homework help, but after seeing her results, we switched to their reading comprehension program. She now attends twice a week, and they focus on helping her understand what she reads--things like cause and effect, main ideas, and writing at a 5th‑grade level. One thing I really appreciate is that they even reached out to her school teacher to get a clearer picture of where she was academically, so everyone is working together. Since starting, my daughter has grown so much. She actually enjoys writing now and is slowly building more interest and confidence in reading. The small group setting works really well for her, and I love that Sylvan does monthly check‑ins with parents so we always know how she's progressing. Overall, Sylvan has been a great experience for our family, and I'm grateful for the support they've given my daughter.

    My son likes Sylvan and goes there for English twice a week. They are very receptive with your…read moreneeds and check up with you with meeting and their progress about monthly. They give assessments to update their personalized learning plan. Kids get points and get to shop so my son is excited about that.

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    Keystone Education - tutoring - Updated August 2026

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