Riverside's Premier
Premier Preschool & After School Serving
Riverside, Corona & La Sierra
About Our School
Welcome to Sierra Preschool & After School in Riverside! Our Montessori-inspired education offers one of the best learning experiences for students ages 18 months to 12 years. We provide high-quality Toddler, Preschool, Junior Pre-K, Pre-K, Transitional Kindergarten, and Before and After School Care. Additionally, we offer free enrichment classes (music, dance, soccer, yoga, STEAM), a Dual Language program, outdoor learning centers, and home-cooked meals during the school day. We are open Monday–Friday from 6:00 AM to 6:30 PM, tuition starts at $175 per week, and we have been licensed by the State of California since 2004 (License Nos. 334818112 & 334818113). We strive to provide the best care and education possible in the most nurturing and positive environment we can offer.
Our Programs
Toddler
Exploration through play and building independence.
Junior Pre-K
Creative excellence and foundational skills.
Pre-K
Preparing children for a successful transition to kindergarten.
Trans. Kinder.
Expertly designed readiness programs for elementary success.
School Age
Before & after school care for elementary-age children.
What We Offer
Enrichment
Dance & Fitness
Ballet, jazz, tap, hip hop, and lyrical dance.
Enrichment
Tae Kwon Do
Respect, patience, and self-confidence through martial arts.
Enrichment
Soccer
Teamwork, fitness, and leadership on the field.
Enrichment
Music
Rhythm, melody, and a lifelong love of music.
Enrichment
Yoga & Mindfulness
Mindful movement, breathing, and calm focus.
Also Included
No Additional FeesSpanish / English + STEAM
Dual Language Immersion
Bilingual learning that opens doors for life.
STEAM Program
Science, technology, engineering, art & math exploration.
Breakfast, Lunch & Snack
Healthy meals cooked on-site every day.
Summer Activities
Fun-filled programs all year long.
We'd Love to Hear From You
Get in Touch
An Inspired Approach to Learning
About Us.
We believe every child can succeed. Experience our Montessori-inspired approach.

What Parents Say
About Us
“This is the best preschool hands down! My daughter transferred here about a year ago from another preschool, and she loves it here! The coordinators and instructors are friendly and they develop excellent curriculum for the kids. Ms. Claudia and Ms. Leslie are amazing teachers and my daughter has learned so much.”
“If I can recommend any preschool/after school care it would be this one. I've noticed such an amazing improvement in my son's vocabulary and learning skills since he started here. Ms. Melissa and Ms. Martha are sooo sweet and friendly, and that goes for all the teachers. The tuition is also very affordable!”
“I am a single mother and my son has been attending this school since he was 2 years old. He is now 7. I absolutely love the staff, their support and encouragement for me and my son. Quality care, caring, educational and lots of activities for each age group. Very happy with them.”
“Excellent preschool, after school and summer school! A lot of creative and enrichment activities, with a good balance between fun and learning. The teachers are dedicated and friendly. My 2 boys certainly loved their stay at this school.”
Riverside, Corona & La Sierra
+ Sister Schools in SoCal
Part of the Sunland Group family of trusted preschools serving Southern California.
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Palos Verdes Montessori Academy
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Princeton Montessori Academy
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Primanti Montessori Academy
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