California International School (CIS) is the top-rated private school in Rocklin, proudly serving families from Rocklin, Roseville, Lincoln, and Granite Bay.
WASC-accredited and an IB Primary Years Programme candidate, CIS offers TK6 students an exceptional education with small class sizes (16) and a low 8:1 studentteacher ratio for truly personalized learning.
The school delivers a global, project-based curriculum enriched by a strong STEAM program, a state-of-the-art Makerspace (robotics, 3D printing, pottery, and design projects), and Spanish and Mandarin instruction.
CIS provides a safe, nurturing, multicultural learning environment that supports whole-child development-building creativity, confidence, and global citizenship.
Families consistently praise CIS for its academic excellence, innovative teaching, and commitment to preparing thoughtful, well-rounded learners.
Quick Facts (2025)
- Grades: Prekindergarten-6
- Enrollment: 128 students
- Yearly Tuition: $14,394
- Acceptance rate: 95%
- Average class size: 14 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-6
Year Founded
2021
Student Body
Total Students
128 students
Student Body Type
Co-ed
% Students of Color
75%
State avg.: 51%
Students by Grade

Academics and Faculty
Total Classroom Teachers
16 teachers
Student-Teacher Ratio
8:1
National avg.: 13:1
% Faculty w/Advanced Degree
40%
Average Class Size
14 students
Classroom Dress Code
Formal
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$14,394
% on Financial Aid
5%
Average Financial Aid Grant
$4,000
Acceptance Rate
95%
National avg.: 81%
Admissions Director
Christine DeNinno
School Notes
- At California International School, several essential ingredients contribute to creating an optimal learning environment for every student. With a commitment to small class sizes, high standards, and personalized learning, students are provided opportunities to dive deeply into the curriculum and explore their creative passions. Encouragement, support, and a strong commitment to growth are central to establishing an open and creative environment. Classrooms are intentionally designed to foster collaboration and connection, both with teachers and peers. Students regularly engage in projects that require critical thinking and creative problem-solving throughout the school day. As they grapple with essential questions and design meaningful, real-world projects, they not only expand their cognitive abilities but also develop interpersonal and social skills. As a candidate school for the International Baccalaureate (IB) Programme, CIS emphasizes the development of global communicators and critical thinkers. Students are encouraged to understand diverse cultures and perspectives while integrating new ideas. This international-mindedness prepares them to be adaptable, compassionate contributors to an ever-changing world. The team of educators at CIS is dedicated to ensuring that students grow to understand the value of their contributions to their school, their local community, and the global community. The belief that even children can make meaningful contributions and spark change is at the heart of the school's mission. California International School offers a supportive, inclusive community where the whole child is nurtured-academically, socially, and emotionally. Families quickly discover that what sets CIS apart is its strong sense of community, dedicated faculty, and a commitment to preparing students for a lifetime of learning and leadership.
Source: Verified school update
Frequently Asked Questions
How much does California International School cost?
California International School's tuition is approximately $14,394 for private students.
What is the acceptance rate of California International School?
The acceptance rate of California International School is 95%, which is higher than the national average of 80%.
When is the application deadline for California International School?
The application deadline for California International School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse California International School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles

Waldorf Schools
Waldorf schools offer a well thought out approach to K-12 education.

Schools For The Arts
Schools for the artistically gifted child are in short supply.

Overcoming the Tech Divide
We offer insights and strategies for educators, administrators, and policymakers to bridge the technology gap in education, ensuring that all students have access to high-quality, tech-enabled learning experiences.