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  The first language Policy in Puerto Rico. Teaching all subjects in English in the public schools.
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  English would be the language of instruction only in Secondary Schools.
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  Granted official Status to both, English and Spanish.
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  The English language was the medium of instruction in all grades.
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  Spanish was the medium of instruction from first to fourth grade.
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  Introduce a language policy which required all subjects, except English, to be taught in Spanish in the first eight grades.
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  English was the language of instruction in all grades.
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  English was re-established as the language of instruction in the secondary schools.
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  Established as the language of instruction and English was to be taught for one period a day as a second language.
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  The Law Number 4 was approved by the Popular Party. The Policy was "Spanish Only"
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  Revoked Law Number 4 and substituded it. Both English and Spanish were established as official languages.
