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    Kornerstone Academy

    5.0 (9 reviews)
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    St Mary's Montessori School - St. Marys Montessori school. Our new look.

    St Mary's Montessori School

    4.8(70 reviews)
    2.7 mi
    11 years in business
    Committed to quality results

    Selecting right school for your kids is always the most difficult decision. As a parent you want to…read moremake sure your kid is safe, loved & protected. We felt it right when we spoke with MsEmily for the first time way back in 2018. We were on the waitlist for a very longtime but the moment they called me to confirm there is an open slot, I didn't think twice registering my then 4 yr old son to this beautiful school! Fast forward 2026- I would like to extend my sincere gratitude to you and St. Mary's as an institution for shaping my son's academic journey. This Thursday, he will be receiving the Honor Roll, and while I'm not sure how big of a milestone it is officially, I am extremely proud and excited because he scored 3.74 out of 4, earning A or A+ in all subjects. The strong foundation provided by your school has made a world of difference. Honestly, when we first enrolled my son, I was concerned about how he would adjust to a new environment and a traditional 8-3 schedule, especially since this was not a Montessori setting. I worried about his performance in math, science, and social studies. However, my concerns quickly faded when I saw how easily he adapted--finishing homework in just 5-10 minutes during the early months. It was clear that the teaching approach and support he received made learning feel effortless for him. Thank you for your dedication and for creating an environment where students can thrive. We truly appreciate everything you've done for our kids. I miss stmarys! And great job MsNel List is long on why StMarys is a great school and worth each penny! I truly appreciate you and your teachings! Looking back, I remember how scared and unsure I was when we continued with St. Mary's in 2nd and 3rd grade. Today, my list of gratitude for Ms. Nel, Ms. Nancy, and the entire St. Mary's institution is too long to express fully. The way St. Mary's teaches core concepts--multiplication, division, addition, subtraction, science, and language--has given my child an incredibly strong foundation. Two-digit multiplication and division are now a piece of cake for him! To our surprise, transitioning to another traditional private or public school has not been as challenging as we feared, and that speaks volumes about the quality of education at St. Mary's. Honestly, St. Mary's level of education is much higher than UCA. We deeply miss so many things: the organic food, the innovative tools, the no-screen rule, teachers who truly teach rather than relying on YouTube, the humane approach to breaks, creative playtime, and the productive after-school care. The list goes on, and it shows how much we value and miss St. Mary's. You are absolutely shaping future leaders, adaptive thinkers, and high achievers. Thank you for everything you do.

    My daughter is 8 years old and just starting 3rd grade. She has been attending St. Mary's since she…read morewas 3 years old. We love everything about her school! The Teachers and staff are all so amazing and truly love our children. I have never had to worry about her while in their care. That is a big deal to us. They have done so much to help improve her behavior and are always available for advice and help. She is also excelling academically. What else could we ask for! Highly recommend this amazing school.

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    St Mary's Montessori School
    St Mary's Montessori School - Montessori Elementary class

    Montessori Elementary class

    St Mary's Montessori School - Montessori Elementary class

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    Montessori Elementary class

    Olive Tree Day School

    Olive Tree Day School

    5.0(21 reviews)
    1.3 mi

    We were considering daycare for my daughter, but we were apprehensive until a friend recommended…read moreOlive Tree Day School. We are so blessed to have found this school for our daughter, it has been the best decision for our family. The staff is so friendly and caring. My daughter has learned so much and loves being there too. They incorporate education, music, art, Bible, and more! Highly recommend!

    We enrolled our son at Olive Tree Day School for a year, 4 hours a day, 4 days a week, mainly for…read moresocial development. This was his very first time being away from us since birth, so of course he cried a lot in the beginning. At his previous "first" school, they actually kicked him out on day 4, saying his crying was disruptive to the other kids. As parents, that was so discouraging and disheartening. Ms. Kelly and her staff at OTDS were the complete opposite. They never made us feel like his struggles were a burden. They knew crying in the first few days was totally normal and worked with us as a team to help him adjust. He did cry for the first few weeks, but the staff showed so much love, patience, and compassion. Ms. Kelly is also very communicative and the school has an app where parents can see pictures and videos from class. It's the sweetest thing to get updates of the kids doing art, story time, music, or just playing together. The rest of the year turned out amazing. OTDS is such a fun and nurturing environment. They do holiday celebrations, invite parents to events, have music time, outdoor play, sensory and pretend play, water play in the summer, and even a little garden. All of the teachers are wonderful with the kids, and you can tell Ms. Kelly is really careful about who she hires. Because of the growth and confidence our son gained at OTDS, he started public school this year and had a great first week. We're so grateful for everything the school gave him and highly recommend them to other families.

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    Olive Tree Day School
    Olive Tree Day School
    Olive Tree Day School

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    Montessori of Rancho Cucamonga

    Montessori of Rancho Cucamonga

    4.1(47 reviews)
    0.8 mi

    My son has learned so much since he first started here at around three years old. At the time, he…read morewas struggling with speech, would have frequent tantrums, and wasn't potty trained yet, many daycares/schools weren't willing to accept him. This Montessori school welcomed him with open arms and helped him build healthy habits, from potty training to following routines like homework, bedtime, and playing positively with other kids. The growth I've seen in him has been incredible. I'm beyond grateful for everything this school has done for my son. He absolutely loves going there. If you're looking for a Montessori school, this is the one. If I could give them 10 stars, I would!

    As a parent, I feel it's important to share our experience at this preschool so other families can…read moremake an informed decision. While my child was enrolled here, there were several concerning issues. Now that he is older and able to express himself more clearly, he has shared many negative experiences from his time at this school, including being frequently criticized without much guidance or support. Hearing this has been truly heartbreaking for me as a parent. In my interactions with the teachers and administration, I personally felt that concerns were not taken seriously enough, and there was a lack of meaningful follow-up or improvement. Additionally, the classroom environment did not meet my expectations in terms of cleanliness and organization. My child also got sick quite often during that time, which raised further concerns for me. I understand that every family's experience may be different, but based on what we went through, I strongly encourage parents to visit, observe carefully, and ask detailed questions before making a decision. I hope this review helps other parents who are considering this school.

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    Montessori of Rancho Cucamonga
    Montessori of Rancho Cucamonga
    Montessori of Rancho Cucamonga

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    Tutor Time on Ellena West

    Tutor Time on Ellena West

    4.5(61 reviews)
    1.1 mi

    Saying goodbye to Tutor Time was one of the hardest things I've had to do. They've cared for both…read moreof my daughters since 2017, and over the years, they became so much more than just a daycare. They are family. From the moment I first dropped my girls off, I knew they were in good hands. The staff is incredibly loving, nurturing, and genuinely passionate about what they do. They treat every child like their own, and that kind of care gave me peace of mind every single day I went to work. One of the things I appreciated most was the transparency. With cameras in every room, I could always check in and see how my girls were doing. But honestly, I never worried because I knew they were safe, loved, and thriving. One daughter started in the preschool room and the other stared in the toddler room.. Along the way, they made beautiful memories, built lasting friendships, and were guided by caring teachers who helped shape them into kind, confident little people. I will forever be grateful to Tutor Time for the role they played in our lives. Thank you for giving my girls a strong, loving foundation and for making it a little easier for this mama's heart to be away from them during the day. You all will always have my heart! Thank you for loving my gir

    My child is now 10 months old, and has been attending the program's infant class since the age of 3…read moremonths. As a parent of an infant, I'll be the first to admit it's frightening to leave your youngling with people you are not familiar with, but as I took these difficult steps, I have come to trust the staff and administration. They provide a nurturing and caring environment for my child to grow and develop. The staff are kind and gentle, and my child loves them. I no longer have that sense of fear because I trust that my child is being well cared for and attended to. The facility itself is clean and welcoming. If I do have an issue, I feel comfortable and confident to talk to the staff and administration, and my issue is quickly resolved. My relationship with Tutor Time is great and I recommend this establishment to any parent seeking a warm, welcoming, and attentive caregiver for their children.

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    Tutor Time on Ellena West
    Tutor Time on Ellena West
    Tutor Time on Ellena West

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    Kornerstone Academy - preschools - Updated May 2026

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