CERTIFICATE of Appreciation This is hereby awarded to

CERTIFICATE of Appreciation This is hereby awarded to DR. ROSARIO A. REYES __________________________________ for imparting his/her invaluable insight and expertise as Research Adviser of the study entitled “Strand Mismatch: Cases Among Grade 11 Students” conducted on SY 2018 -2019 at Tagaytay City Science National High School. Given this 4 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to DR. MARY JOYCE G. CATUDIO __________________________________ for imparting his/her invaluable insight and expertise as Research Adviser of the study entitled “ 2 C-2 I-1 R: LEVEL OF EFFECTIVENESS ON SENIOR HIGH SCHOOL STUDENTS OF TAGAYTAY CITY SCIENCE NATIONAL HIGH SCHOOL” conducted on SY 2018 -2019 at Tagaytay City Science National High School. Given this 4 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to DR. ROSARIO A. REYES __________________________________ for imparting his/her invaluable insight and expertise as Chairman of Committee on Oral Examination during the STEM 11 Obelus Research Proposal Defense held on February 26, 2019 at TCSNHS SHS Building. Given this 26 th of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to ANDREA CELINA B. DINGLASAN __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the STEM 11 Obelus Research Proposal Defense held on February 26, 2019 at TCSNHS SHS Building. Given this 26 th of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to MARY JOY C. DOMAGTOY __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the STEM 11 Obelus Research Proposal Defense held on February 26, 2019 at TCSNHS SHS Building. Given this 26 th of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to ARNOLD JANSSEN R. REYES __________________________________ for imparting his/her invaluable insight and expertise as Chairman of Committee on Oral Examination during the HUMSS 12 Rizal Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on February 22, 2019 at TCSNHS Audio-Visual Room. Given this 22 nd of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to AMPARO CHRISTINE R. PANGANIBAN __________________________________ for imparting his/her invaluable insight and expertise as Chairman of Committee on Oral Examination during the HUMSS 12 Aguinaldo Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 4, 2019 at TCSNHS SHS Bldg. Given this 4 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to CLEMEN T. CAVEIRO __________________________________ for imparting his/her invaluable insight and expertise as Chairman of Committee on Oral Examination during the HUMSS 12 Tolentino Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 6, 2019 at TCSNHS SHS Bldg. Given this 6 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to ARNOLD JANSSEN R. REYES __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Tolentino Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 6, 2019 at TCSNHS SHS Bldg. Given this 6 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to MICHELLE B. PASCUA __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Tolentino Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 6, 2019 at TCSNHS SHS Bldg. Given this 6 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to BRENDALY C. LIQUIRAN __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Aguinaldo Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 4, 2019 at TCSNHS SHS Bldg. Given this 4 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to CLEMEN T. CAVEIRO __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Aguinaldo Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 4, 2019 at TCSNHS SHS Bldg. Given this 4 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to ERIC S. TADIFA __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Aguinaldo Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on March 4, 2019 at TCSNHS SHS Bldg. Given this 4 th of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to JOCELYN V. LEGASPI __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Rizal Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on February 22, 2019 at TCSNHS Audio-Visual Room. Given this 22 nd of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to BERNADETTE S. DUMAYAS __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Rizal Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on February 22, 2019 at TCSNHS Audio-Visual Room. Given this 22 nd of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Appreciation This is hereby awarded to MICHELLE B. PASCUA __________________________________ for imparting his/her invaluable insight and expertise as Member of Committee on Oral Examination during the HUMSS 12 Rizal Research Defense entitled “Igniting Change: Strengthening the Value of Investigation among HUMSS students” held on February 22, 2019 at TCSNHS Audio-Visual Room. Given this 22 nd of February 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Recognition This is hereby awarded to Group ____________________________________ BEST RESEARCH PRESENTATION In recognition for an outstanding research presentation during the STEM 11 – Obelus Qualitative Research Proposal Defense held on March 1, 2018 at TCSNHS SHS Bldg. Given this 1 st of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV

CERTIFICATE of Participation This is hereby awarded to Group ____________________________________ for a successful research presentation during the STEM 11 – Obelus Qualitative Research Proposal Defense held on March 1, 2018 at TCSNHS SHS Bldg. Given this 1 st of March 2019 at Tagaytay City Science National High School. MAGDALENO R. LUBIGAN, Ed. D. Principal IV