Which Guatemalan departments and cities have the strongest English proficiency?

According to the EF EPI 2025 fact sheet, by region the department of Guatemala leads with 519, followed by Quetzaltenango 513, Sacatepéquez 511, Chimaltenango 486, San Marcos 460, Totonicapán 413, Chiquimula 406 and Escuintla 374. By city: Guatemala City 519, Quetzaltenango 513, Chimaltenango 485, San Marcos 458 and Antigua Guatemala 444. Only the metropolitan area, Quetzaltenango and Sacatepéquez beat the national average of 510; Escuintla, site of a proposed BPO hub, records the lowest score on the list. These are EF test-taker data, with small samples outside the capital.