Div Letter No. 141 s. 2019 To: CID Chief, Concerned Public School District Supervisors and Elementary School Heads, All Others Concerned

Div Letter No. 140 s. 2019 To: Public Secondary School Heads of the following Schools: San Ildefonso National High School, Akle High School, Upig High School, Calawitan National High School, Sta. Catalina Bata National High School, All Others Concerned

Liham Pansangay Blg. 139 s. 2019 Sa mga: Hepe ng CID at SGOD, Puno ng mga Paaralang Elementarya at Sekondarya, Iba pang Daoat makabatid

Div Letter No. 138 s. 2019 To: CID Chief, Concerned Public School District Supervisors and Elementary School Heads, All Others Concerned

Div Letter No. 137 s. 2019 To: Concerned Public Schools District Supervisors, Elementary and Secondary School Heads, OICs, Head Teachers and Teachers

Div Letter No. 136 s. 2019 To: Chiefs, Curriculum Implementation Division, Concerned Secondary and Elementary School Heads, All Others Concerned

Div Letter No. 135 s. 2019 To: Division Chiefs, Public Secondary School Heads, Science Department Head Teachers and Coordinators, STE Coordinators, BSSTA Officers, All Others Concerned

Div Letter No. 134 s. 2019 To: Concerned Public Elementary and Secondary School Heads, Elementary and Secondary Teacher-Leaders, All Others Concerned

Div Letter No. 133 s. 2019 To: Division Chiefs, Public Schools District Supervisors, Public Elementary School Heads, Science Advisers and Coordinators, All Others Concerned

Div Letter No. 132 s. 2019 To: CID Chief, Concerned Elementary and Secondary School Heads, All Others Concerned