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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryPublic Administration & EducationSchoolsZurichTrägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass
Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is education and training, particularly in the field of teacher education and school education for children and adolescents. The company offers various programs and services, such as coaching, school-based further education, high school and kindergarten/primary school. It is an educational institution specializing in the training of teachers and the school education of students.

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Products & services

Industry:Schools
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4.5/5

Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass

✓ Offered5
Grammar school
Grammar school with a music profile, a natural sciences profile (Magna) and a profile in philosophy/education/psychology; a state-recognised educational institution in an open, Protestant spirit.
Institute for Teacher Training
Initial and continuing education of teachers for kindergarten and primary level; practice-oriented training, internships, curriculum and admission for various training paths.
Continuing education and services
Continuing education in the education sector, including CAS, DAS and MAS programmes, courses, in-house professional development, coaching in everyday classroom practice and school-based coaching.
Research and development in education
Research and development work on education, linked to the institute’s training and continuing education offerings.
ChagALL
A programme for equal opportunities with programme elements and pathways to ChagALL for young people in a school context.
Trust & reputation

ranQ Trust Score of Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass scores 85.0 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.82.224%
  • 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.79.710%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass scores 85.3 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.92.512%
  • 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%
Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass 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%
Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass scores 100.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trägerverein für das Gymnasium und Institut für Lehrerinnen- und Lehrerbildung Unterstrass reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 22 customer reviews. The data basis is 96%, 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
4.8
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.822
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Seminarstrasse 29
8057 Zurich
Opening hours
Mon
08:30 - 12:00, 13:30 - 16:00
Tue
08:30 - 12:00, 13:30 - 16:00
Wed
08:30 - 12:00, 13:30 - 16:00
Thu
08:30 - 12:00, 13:30 - 16:00
Fri
08:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Association
UID
CHE-107.284.891
Founded
2014 · 12 years
Last commercial register change
March 17, 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.73.06%
  • 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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