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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryPublic Administration & EducationSchoolsPorrentruyCollège et Lycée Saint-Charles SA
Collège et Lycée Saint-Charles SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Collège et Lycée Saint-Charles SA is a private international school offering primary, collège and lycée education and programs such as the International Baccalaureate Middle Years Programme. The school also operates a boarding facility and provides short-stay and summer camp programmes, admissions information and practical school services.

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Collège et Lycée Saint-Charles SA

Schools
✓ Offered10
International day school and boarding school
Comprehensive schooling for students aged 8 to 20 in French, English or bilingual programmes, with day-school and boarding options in a supportive campus environment.
Swiss curriculum pathway
Swiss curriculum pathway with instruction in French, English or bilingual format, supporting students throughout their educational journey.
International Baccalaureate programme
International Baccalaureate pathway with academic support, guidance and preparation for university admissions.
Saint-Charles High School Diploma
Own high school diploma pathway with instruction in English and university-oriented academic progression.
Short Stay Programme
Short-stay school programme for students needing a temporary academic placement within the Saint-Charles environment.
University Preparation
University guidance, application support, subject selection advice, talks and fairs, plus individual and group sessions for final-year students.
Boarding accommodation
Boarding accommodation in purpose-built residences with daily routines, care, support and a structured living environment.
Assessments and support in everyday school life
Well-being and pastoral care, personal guidance, support relationships and daily routines that help students develop resilience, empathy and independence.
Co-curricular activities
Clubs, activities and enrichment opportunities that complement academic study and support broader student development.
Summer Camp
Residential summer camp with French and English classes, sports, workshops, excursions, evening programme and meals, offered in weekly packages.
Trust & reputation

ranQ Trust Score of Collège et Lycée Saint-Charles SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 88% · As of October 2026

Collège et Lycée Saint-Charles SA scores 61.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.49.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.91.110%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Collège et Lycée Saint-Charles SA scores 79.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.90.07%
Collège et Lycée Saint-Charles SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Collège et Lycée Saint-Charles SA scores 77.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Collège et Lycée Saint-Charles SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 35 customer reviews. The data basis is 88%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 35 reviews across all connected sources

Sources
GGoogle3.935
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Route de Belfort 10
2900 Porrentruy
Opening hours
Mon
07:45 - 17:30
Tue
07:45 - 17:30
Wed
07:45 - 17:30
Thu
07:45 - 17:30
Fri
07:45 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-399.323.399
Founded
2021 · 5 years
Last commercial register change
October 8, 2026
Employees
51 to 100
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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