lˈeɪɾɚ, ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈaɪv, ðɪ ˌɪnstɪtˈuːʃən wʌz ɹᵻnˈeɪmd ðə "dʒˈɛnɚɹəl sˌæn mˈɑːɹtɪn" hˈaɪɚ pˌɑːlɪtˈɛknɪk ˈɪnstɪtˌuːt ˌɪnstɪtˈuːɾoʊ pˌɑːlɪtˈeɪknɪkˌoʊ suːpˈiəɹɪɚ dʒˈɛnɚɹəl sˌæn mˈɑːɹtɪn, ðˈʌs ˈoʊpənɪŋ ðə wˈeɪ tə tˈiːtʃɪŋ æt ðə tˈɜːʃjɚɹi lˈɛvəl, wˌɪtʃ ɪn fˈækt ɛɡzˈɪstᵻd θɹuː ðə tɹˈeɪnɪŋ ʌv ˈɑːptɪkəl tɛknˈɪʃənz, wɪð ɐ stˈuːdənt pˌɑːpjʊlˈeɪʃən fɹʌm, ɪn mˈoʊst əv ðˌɛm fɹʌm ˈɔːɹdɪnˌɛɹi hˈaɪ skˈuːlz.
Later, in 1975, the institution was renamed the "General San Martín" Higher Polytechnic Institute (Instituto Politécnico Superior General San Martín), thus opening the way to teaching at the tertiary level, which in fact existed through the training of optical technicians, with a student population from, in most of them from ordinary high schools.