Ysgol Calon y Dderwen
| LA_code | 666 |
| LA_name | Powys |
| EstablishmentNumber | 2155 |
| EstablishmentName | Ysgol Calon y Dderwen |
| TypeOfEstablishment | Welsh establishment |
| EstablishmentStatus | Open |
| PhaseOfEducation | Not applicable |
| StatutoryLowAge | |
| StatutoryHighAge | |
| Boarders | |
| NurseryProvision | Not applicable |
| OfficialSixthForm | Not applicable |
| Gender | |
| ReligiousCharacter | |
| ReligiousEthos | None |
| Diocese | Not applicable |
| AdmissionsPolicy | |
| TrustSchoolFlag | Not applicable |
| Trusts | |
| SchoolSponsorFlag | Not applicable |
| SchoolSponsors | |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | |
| FurtherEducationType | |
| Street | Park Street |
| Locality | |
| Address3 | |
| Town | Newtown |
| County | |
| Postcode | SY16 1EG |
| SchoolWebsite | |
| TelephoneNum | |
| HeadTitle | Mr |
| HeadFirstName | Carl |
| HeadLastName | Hyde |
| Linkedestablishments | |