How to get the LRN of my pupils who were transferred from private school to public

please provide the LRN of the following names:
Arado, Maeyale Jensen L.- FROM Saint Nicholas of Plaridel Mis Occ
Loquero, Kian Pab J. -Sacred Heart College Grade School Department, Calamba Mis. Occ.
Guigayoma, Fegie B. - STA. CRUZ Evangel Kiddie Learning Center INC. Sta. Cruz Plaridel, Misamis Occ.
Sullamillo, Gemes Sante Sullamillo S.- Paglaum Learning School, Southern Looc, Plaridel Mis. Occ.