Ysgol Glantwymyn
| LA_code | 666 |
| LA_name | Powys |
| EstablishmentNumber | 2058 |
| EstablishmentName | Ysgol Glantwymyn |
| TypeOfEstablishment | Welsh establishment |
| EstablishmentStatus | Open |
| PhaseOfEducation | Not applicable |
| StatutoryLowAge | |
| StatutoryHighAge | |
| Boarders | Not applicable |
| NurseryProvision | Not applicable |
| OfficialSixthForm | Not applicable |
| Gender | Not applicable |
| ReligiousCharacter | |
| ReligiousEthos | |
| Diocese | Not applicable |
| AdmissionsPolicy | |
| TrustSchoolFlag | Not applicable |
| Trusts | |
| SchoolSponsorFlag | Not applicable |
| SchoolSponsors | |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | |
| FurtherEducationType | Not applicable |
| Street | Cemmaes Road |
| Locality | Machynlleth |
| Address3 | |
| Town | Powys |
| County | |
| Postcode | SY20 8LX |
| SchoolWebsite | |
| TelephoneNum | 01650511394 |
| HeadTitle | |
| HeadFirstName | |
| HeadLastName | |
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