Penelitian ini bertujuan untuk (1) melihat proses aplikasi task yang didisain berdasarkan skimata terhadap kemampuan berbicara; (2) melihat apakah ada perberdaan yang signifikan terhadap kemampuan berbicara dan motivasi; dan (3) aspek apa saja kah dari kemampuan berbicara yang meningkat. Penelitian ini dilaksanakan kepada mahasiswa. Untuk mengumpulkan data, peneliti menggunakan kuisioner, tes dan observasi. Kemudian data dianalisis secara kualitatif dan kuantitatif. Hasil penelitian menunjukkan bahwa (1)setiap task memiliki tahapan aktivasi skimata yang berbeda; (2) semua task memberi pengaruh signifikan terhadap motivasi dan kemampuan berbicara siswa; and (3) aktifasi skemata dengan menggunakan daftar kata paling meningkatkan kemampuan berbicara siswa. Sesuai dengan temuan tersebut, disarankan agar pengajaran bahasa Inggris mempertimbangkan aktivasi schemata siswa dan kepada peneliti selanjutnya agar membahas lebih lanjut tentang setiap aspek kemampuan berbicara berbasis skemata.This study was aimed at (1) drawing the process of schemata based speaking task implementation in enhancing students speaking performance effectively;(2) seeing the tasks effect on students speaking performance and motivation; (3) determining which of the task effect the students speaking performance most. This research was conducted to tertiary level students. To collect the data, questionnaire, speaking test and observation were administered. The data were analyzed both qualitatively and quantitatively. The result showed that (1)each task has different stages of schemata activation; (2) all of the tasks give significant effect on the students speaking performance and motivation; and (3) among the three tasks, schemata activation by providing word list enhances students speaking performance most. Based on the findings, it is suggested that English lecture should consider the students schemata activation since it may help the students to communicate by using English better. Further discussion on this issue migh focus on each aspect of speaking performance by providing sufficient data.Keywords: Motivation, schemata, speaking