Editing Tagalog language (section)

===Use in education===
{{Expand section|date=March 2018}}

Upon the issuance of ''Executive Order No. 134'', Tagalog was declared as basis of the National Language. On April 12, 1940, ''Executive No. 263'' was issued ordering the teaching of the national language in all public and private schools in the country.<ref>{{Cite web |last=Espiritu |first=Clemencia |date=April 29, 2015 |title=Filipino Language in the Curriculum |url=http://ncca.gov.ph/subcommissions/subcommission-on-cultural-disseminationscd/language-and-translation/filipino-language-in-the-curriculum/ |url-status=dead |archive-url=https://web.archive.org/web/20180821124733/http://ncca.gov.ph/subcommissions/subcommission-on-cultural-disseminationscd/language-and-translation/filipino-language-in-the-curriculum/ |archive-date=August 21, 2018 |access-date=August 21, 2018 |website=National Commission for Culture and the Arts}}</ref>

Article XIV, Section 6 of the 1987 [[Constitution of the Philippines]] specifies, in part:

{{blockquote|Subject to provisions of law and as the Congress may deem appropriate, the Government shall take steps to initiate and sustain the use of Filipino as a medium of official communication and as language of instruction in the educational system.<ref name="1987constitutionXIV">{{Citation |title=1987 Philippine Constitution, Article XIV, Sections 6–9 |work=Official Gazette of the Republic of the Philippines |url=https://www.officialgazette.gov.ph/constitutions/1987-constitution/ |via=Official Gazette |mode=cs1 |access-date=April 13, 2022 |archive-date=January 5, 2019 |archive-url=https://web.archive.org/web/20190105085906/https://www.officialgazette.gov.ph/constitutions/1987-constitution/ |url-status=live }}</ref>}}

Under Section 7, however:

{{blockquote|The regional languages are the auxiliary official languages in the regions and shall serve as auxiliary media of instruction therein.<ref name=1987constitutionXIV />}}

In 2009, the [[Department of Education (Philippines)|Department of Education]] promulgated an order institutionalizing a system of mother-tongue based multilingual education ("MLE"), wherein instruction is conducted primarily in a student's mother tongue (one of the various regional Philippine languages) until at least grade three, with additional languages such as Filipino and English being introduced as separate subjects no earlier than grade two. In secondary school, Filipino and English become the primary languages of instruction, with the learner's first language taking on an auxiliary role.<ref>{{Citation |last=Department of Education |title=Order No. 74 |date=2009 |url=http://www.deped.gov.ph/cpanel/uploads/issuanceImg/DO%20No.%2074,%20s.%202009.pdf |archive-url=https://web.archive.org/web/20120616225924/http://www.deped.gov.ph/cpanel/uploads/issuanceImg/DO%20No.%2074,%20s.%202009.pdf |archive-date=June 16, 2012 |mode=cs1}}</ref> After pilot tests in selected schools, the MLE program was implemented nationwide from School Year (SY) 2012–2013.<ref>{{Citation |title=DO 16, s. 2012 |url=http://www.deped.gov.ph/orders/do-16-s-2012 |via=deped.gov.ph |mode=cs1 |access-date=February 7, 2018 |archive-date=February 8, 2018 |archive-url=https://web.archive.org/web/20180208064031/http://www.deped.gov.ph/orders/do-16-s-2012 |url-status=live }}</ref><ref>{{Cite news |last=Dumlao |first=Artemio |date=May 21, 2012 |title=K+12 to Use 12 Mother Tongues |work=Philstar Global |url=https://www.philstar.com/headlines/2012/05/16/807083/k12-use-12-mother-tongues |access-date=April 13, 2022 |archive-date=April 13, 2022 |archive-url=https://web.archive.org/web/20220413194245/https://www.philstar.com/headlines/2012/05/16/807083/k12-use-12-mother-tongues |url-status=live }}</ref>

Tagalog is the first language of a quarter of the population of the Philippines (particularly in Central and Southern Luzon) and the second language for the majority.<ref name="Philippine Census 2000">Philippine Census, 2000. Table 11. Household Population by Ethnicity, Sex and Region: 2000</ref>