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Peterson Lomas Preparatoria S.C.

Mexico, Mexico City

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The school at a glance
Instructs in English, Spanish
Fees MX$22,145 - 23,645
Ages 1 - 18 years
Pupil numbers 1800
Type Co-educational
Opened 1965
Bus Service No
Availability Not shared by this school
Academic offering
Curriculum Montessori Curriculum, IPC (International Primary Curriculum), Cambridge IGCSE, IB (DP)
Taught languages English, Spanish
Strengths STEM, Languages, Sport
Clubs Academic and Intellectual, Arts and Creative, Community and Service
Stages Preschool, Primary School, Middle School, High School
Introduction

The Peterson Lomas Preparatoria S.C. is a private, non-denominational day school in Mexico City with three campuses—Cuajimalpa, Lomas, and Pedregal—that serve about 1,800 students from ages 1 to 18. The Lomas Campus offers Montessori education for the early years in English, with mixed-age classrooms. The Cuajimalpa Campus serves Preschool through High School, with a bilingual English–Spanish Elementary program, and a High School path that combines Cambridge IGCSE in grades 9–10 with the International Baccalaureate Diploma Programme in grades 11–12. The Cambridge IGCSE electives include Computer Science and Design Technology, while the IB Diploma provides a globally recognized university qualification. The school is noted as the first Google Reference School in Latin America and the first K–12 IB Global School, and it holds SAIS and Cognia accreditation. Extracurriculars cover academic, arts, service, and wellbeing activities across campuses, reflecting a comprehensive approach to student development. They prepare students for global university admission.

Monte Himalaya 615, Lomas de Chapultepec, Miguel Hidalgo, 11000 Ciudad de México, CDMX

The Essentials

Peterson Lomas Preparatoria S.C. has 1,800 pupils, instruction in English, Spanish.

Location
Monte Himalaya 615, Lomas de Chapultepec, Miguel Hidalgo, 11000 Ciudad de México, CDMX. Located in the Lomas de Chapultepec neighborhood of Mexico City. The Peterson Schools network comprises three campuses in Cuajimalpa, Lomas and Pedregal. It is a private, non-denominational, co-educational day school network.

Stages
High School (grades 9–12); 9th-10th grades follow Cambridge IGCSE; 11th-12th grade follow the IB Diploma Programme.

Type
Private, non-denominational, co-educational day school

Country affiliation
Mexico

Religious affiliation
Non-denominational
Diving Deeper

Food Options
Cafeterias at its campuses provide nutritious menus for students and staff; a licensed nutritionist reviews the menus to promote healthy eating within the Peterson community.

Governance and Ownership
The Peterson School is private, non-denominational, non-profit; it operates across three campuses in Mexico City.
Fees

Annual tuition at Peterson Lomas Preparatoria S.C. ranges from MXN 22,145 to MXN 23,645 for 2026/27.

Application / Admission Fees

- Admission test: MXN 1,500.

Tuition and enrolment charges for grades 7–12 (Peterson Lomas Preparatoria S.C.)

Note: amounts are shown in Mexican Pesos (MXN). Tuition figures listed below are presented as annual totals that are payable in 10 monthly installments unless otherwise stated.

- Grade 7 (7°)
- Initial contribution (one-time, paid prior to Pre‑First/new-student phase): MXN 49,675.
- Enrollment / Re‑enrollment (annual payment): MXN 35,075.
- Tuition (annual; payable in 10 monthly instalments): MXN 22,145 (equivalent to MXN 2,214.50 per month when split into 10 payments).
- One‑to‑One technology program (annual; payable in 10 monthly instalments): MXN 1,275.
- Orphanhood relief fund (annual): MXN 4,110.

- Grade 8 (8°)
- Initial contribution: MXN 49,675.
- Enrollment / Re‑enrollment: MXN 35,075.
- Tuition (annual; 10 instalments): MXN 22,485 (MXN 2,248.50 per month).
- One‑to‑One technology program (annual; 10 instalments): MXN 1,275.
- Orphanhood relief fund (annual): MXN 4,110.

- Grade 9 (9°)
- Initial contribution: MXN 49,675.
- Enrollment / Re‑enrollment: MXN 35,650.
- Tuition (annual; 10 instalments): MXN 23,645 (MXN 2,364.50 per month).
- One‑to‑One technology program (annual; 10 instalments): MXN 1,275.
- Orphanhood relief fund (annual): MXN 3,430.

- Grade 10 (10°)
- Initial contribution: MXN 39,020.
- Enrollment / Re‑enrollment: MXN 35,650.
- Tuition (annual; 10 instalments): MXN 23,645 (MXN 2,364.50 per month).
- One‑to‑One technology program (annual; 10 instalments): MXN 1,275.
- Orphanhood relief fund (annual): MXN 3,430.

- Grade 11 (11°)
- Initial contribution: MXN 29,150.
- Enrollment / Re‑enrollment: MXN 35,650.
- Tuition (annual; 10 instalments): MXN 23,645 (MXN 2,364.50 per month).
- One‑to‑One technology program (annual; 10 instalments): MXN 1,445.
- Orphanhood relief fund (annual): MXN 3,430.

- Grade 12 (12°)
- Initial contribution: MXN 19,435.
- Enrollment / Re‑enrollment: MXN 35,650.
- Tuition (annual; 10 instalments): MXN 23,645 (MXN 2,364.50 per month).
- One‑to‑One technology program (annual; 10 instalments): MXN 1,445.
- Orphanhood relief fund (annual): MXN 3,430.

Other recurring or optional fees

- Parents Association (annual payment): MXN 1,100.
- UNAM incorporation fee (annual; applies to grades 10–12): MXN 9,460.
- Transportation: listed starting at MXN 3,220 (transportation noted as a starting figure); a separate 2024–2025 transportation schedule shows mandatory Cuajimalpa campus monthly transportation fees ranging from MXN 3,300 to MXN 4,990 depending on service level (full service, shuttle, half trip) and with discounted rates for second/third family members. Transportation is billed in 10 monthly instalments (September–June) in that schedule.
- Cafeteria / meal service: noted as included for preschool and primary and as an additional cost for secondary and preparatory levels in related materials (amounts vary by campus/program).

Billing schedule and payment terms

- Tuition is structured as an annual amount payable in 10 monthly instalments (typically paid from September through June).
- Enrollment / Re‑enrollment is an annual payment due at the time of registration or re‑registration for the school year. Initial contribution is a one‑time amount required for certain admissions stages (noted as ‘‘payment before Pre‑First'' for new students). One‑to‑One program charges are billed on the same 10‑payment schedule when indicated.

Boarding fees

- No boarding / boarding‑fee schedule is listed for Peterson Lomas Preparatoria S.C.; the school operates as day campuses.

Uniforms and other school costs

- Uniforms and school‑shop services are available through the school's approved supplier; prices vary by item and campus. Specific uniform prices are not listed in the fee schedules reviewed.

Refunds and cancellations

- The fee schedules and payment‑platform guidance reviewed do not include a detailed refund or reimbursement policy for tuition, enrolment, or initial contributions. Parents should expect that specific refund terms (if any) are governed by the school's formal enrollment contract and invoicing procedures.

Fee payment options and invoicing

- Payments are processed via the school's payment platform; when using the platform the payer selects Peterson Lomas Preparatoria S.C., indicates the student name and the payment concept, and must email invoicing information to ingresos@peterson.mx. For questions about paying participation fees or invoicing, use ingresos@peterson.mx. Specific accepted payment methods (credit card, bank transfer, etc.) are handled through the payment platform and invoicing process.

Summary of document availability and scope

- The detailed fee items above are drawn from the school fee schedules and payment guidance published for recent academic years (tuition and related charges for grades 7–12, and transportation scheduling). The reviewed fee schedules list the amounts shown for enrolment, tuition (annual totals billed in 10 instalments), one‑to‑one technology program, and other recurring items; a separate transportation schedule gives monthly transportation rates and the 10‑month billing period. No later (2025–26 or 2026–27) public fee schedule was available in the materials reviewed, and no explicit refund policy text appeared in those fee documents.
Academics

Peterson Lomas Preparatoria S.C. teaches Montessori Curriculum, IPC (International Primary Curriculum), Cambridge IGCSE, IB (DP) for students aged 1 to 18.

Curriculum
Cambridge IGCSE is taught in 9th and 10th grades, with a broad range of courses and electives such as Computer Science, Design Technology, Global Perspective, and World History. In 11th and 12th grades, all students undertake the International Baccalaureate Diploma Programme, a curriculum made up of college-level courses within six subject groups. The IB Diploma is academically challenging and balanced, addressing intellectual, social, emotional and physical well-being, and is recognized by most universities worldwide. The Cambridge IGCSE stage enables students to tailor their path through electives, while the IB Diploma provides a unified, globally recognized qualification for university admission. The program emphasizes preparation for higher education and global citizenship.

Exam Results
77.35% of our Seniors obtained their IB Diploma. 9.4% of our graduates received Mexican scholarships. 11.3% are enrolled in foreign universities and also received scholarships.

Higher Education Progression
Among graduates, 11.3% are enrolled in foreign universities with scholarships; 9.4% received Mexican scholarships.

Gifted and Talented
National Honor Society (NHS) has a High School chapter for 10th–12th grade students, recognizing high service, academic prowess, leadership, and strength of character.
Wellbeing

Social and Emotional Learning (SEL)
The school offers fully bilingual co-education with an international focus. The Physical Education Department fosters physical, mental and social development in students, contributing to a well-rounded education.

English as an Additional Language (EAL)
Montessori instruction is delivered entirely in English. The school is bilingual across campuses (Cuajimalpa, Lomas and Pedregal).

Mental Wellbeing
The school is committed to safeguarding the mental well-being of students and to providing a safe and healthy environment that protects their psychological integrity.

Safeguarding
The school maintains a Child Safety Commitment Statement and a safeguarding framework that includes a Child Safeguarding Policy, a Code of Conduct for Employees, a Code of Conduct for Parents, Volunteers, Visitors and Suppliers, Legal Framework, a Child Safety and Sexual Abuse Policy (May 2023), a Video Surveillance System Security Policy and Protocol, and a Safeguarding Incident Report Form.
Parent Experience

History
The Peterson School is a private, non-denominational group of non-profit schools with three campuses in Mexico City: Cuajimalpa, Lomas, and Pedregal. Marvin and Leni Peterson founded the Peterson School, and the Lomas Campus originated from the original location. Ken Peterson has served as Director General since 1994. The school serves more than 1,800 students from preschool through high school and its Montessori program is delivered entirely in English. It has notable distinctions, including being the first Google Reference School in Latin America and the first K-12 IB Global School, and it is accredited in the United States through SAIS and Cognia.

Community
The Peterson community hosts a range of events that foster school spirit and family involvement, including the Peterson Run in Chapultepec Park and a Lomas Family Day. Inter-school athletic competitions such as the Legends Cup and Gilling Cup are held, with coverage of events like the 2025 inter-school athletics competition. The school also shares news about Earth Day events and other student-focused programs across campuses.

Parent Teacher Association (PTA)
Parents play an active role at the school as class representatives, members of committees, or as Board of Trustees. The Parent Association was created to promote better communication between home and school. It hosts a variety of events throughout the year. The events raise funds for school projects. It also offers healthy fun.
Facilities

Facilities Overview
Three campuses operate in Mexico City: Cuajimalpa Campus, Lomas Campus, and Pedregal campuses. The Lomas Campus serves Preschool and Prefirst and uses a Montessori environment with mixed-age classrooms and self-selected hands-on materials supervised by a Montessori guide. The Cuajimalpa Campus provides Preschool through High School; Elementary subjects are taught in English and Spanish, and High School includes Cambridge IGCSE in 9th-10th and the IB Diploma Programme in 11th-12th. The Montessori method is delivered entirely in English and the school has more than 1,800 students across campuses.

Academic Facilities
Elementary education includes a 50/50 English and Spanish curriculum; English-language instruction is present from the early years. In High School, the Cambridge IGCSE program is used in grades 9 and 10, and the International Baccalaureate Diploma Programme is taught in grades 11 and 12. The Cuajimalpa Campus implements Cambridge International Education and the IB Diploma Programme for its upper levels, while the Lomas Campus emphasizes a Montessori approach in the early years with English-taught instruction. The Montessori method is delivered in English across the program.

Extra Curricular Facilities
Extracurriculars are activities outside regular school hours that promote a well-rounded education. A wide variety of activities is offered depending on the campus to foster physical and artistic development.
Extra-Curricular Activities

Academic & Intellectual
Extracurriculars are activities outside of the regular school hours that promote a well-rounded education. Students engage in a program that integrates multiple offerings under the umbrella of a single theme, and they are encouraged to explore and develop their own interests and skills. Depending on the campus, a wide variety of activities is offered to foster the physical and artistic development.

Arts & Creative
Extracurriculars are activities outside of the regular school hours that promote a well-rounded education. Students engage in a program that integrates multiple offerings under the umbrella of a single theme, and they are encouraged to explore and develop their own interests and skills. Depending on the campus, a wide variety of activities is offered to foster the physical and artistic development.

Social & Hobbies
Extracurriculars are activities outside of the regular school hours that promote a well-rounded education. Students engage in a program that integrates multiple offerings under the umbrella of a single theme and are encouraged to explore and develop their own interests and skills. Depending on the campus, a wide variety of activities is offered to foster the physical and artistic development.

Community & Service
Social Impact includes Promise School (Escuela Promesa) and CAS.

Lifestyle & Wellbeing
The Physical Education Department contributes to well-rounded education with a focus on health, sports and recreation. It fosters physical, mental and social development and promotes a healthy lifestyle through positive attitudes and values. The program aligns with national and international curricula and uses age-appropriate learning experiences to develop physical strength, teamwork and health knowledge; Preschool emphasizes a psychomotor program for motor skills, while elementary to high school emphasizes ongoing physical development and wellness.
Languages

Language Provision
Languages taught include English and Spanish. Preschool: all academic classes are taught in English, with daily oral English instruction. Elementary: classes are completely bilingual with fifty percent of modules taught in English and fifty percent in Spanish. High School: English and Spanish are offered as language courses within Cambridge IGCSE and the IB Diploma Programme (e.g., English A, English B, Spanish A).

Bilingual Teaching
The Peterson Schools offer a fully bilingual program across campuses. In Preschool, all academic classes are taught in English, with daily oral English classes by a specialized English teacher. Elementary is completely bilingual; fifty percent of modules are taught in English and fifty percent in Spanish. High School follows Cambridge IGCSE in 9th–10th grade and the International Baccalaureate Diploma Programme in 11th–12th grade.

Immersion Programs
Preschool uses English as the language of instruction for academics with daily English language classes; Elementary uses a 50/50 English–Spanish module distribution as part of a bilingual curriculum.
Admissions

Admissions
Levels offered at Lomas: Preschool and Prefirst. The campus was founded in 1965 and is the oldest Peterson campus. It provides preschool education from Babies' Room (18 months) to Pre-First. The Montessori environment groups children of different ages in the same classroom to foster mentoring and leadership among students. The Montessori materials are designed for hands‑on learning; each child works with self‑selected materials guided by intrinsic motivation, under the supervision of a certificated Montessori guide. Contact/admissions: admisiones_lomas@peterson.mx. Address: Monte Himalaya 615, Lomas de Chapultepec, Miguel Hidalgo, 11000 Ciudad de México, CDMX. Phone: 55 9990 8303. A Lomas Viewbook can be downloaded.
School Events
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