Penelitian ini bertujuan untuk mendeskripsikan kesiapan guru Sekolah Dasar (SD) dalam menerapkan Kurikulum 2013 khususnya dalam pembelajaran tematik-integratif di Daerah Istimewa Yogyakarta (DIY). Jenis penelitian yang digunakan yaitu penelitian survei. Populasi penelitian adalah guru kelas I dan IV yang terdapat di wilayah DIY. Jumlah sampel yang diambil dalam penelitian ini adalah sebanyak 182 guru SD yang berasal dari 49 SD negeri dan 15 SD swasta yang dijadikan pilot project berdasarkan data dari Kemdikbud DIY. Hasil penelitan menunjukkan bahwa persentase kesiapan guru SD di DIY dalam melaksanakan pembelajaran tematik-integratif pada Kurikulum 2013 sebesar 75,85% (siap), dilihat dari aspek kesiapan yaitu aspek Behavioral Readiness diperoleh persentase sebesar 80% (sangat siap), aspek Emotive-Ettitudinal sebesar 78,39% (sangat siap) dan aspek Cognitive Readiness sebesar 71,18% (siap). Sedangkan kesiapan guru SD di setiap kabupaten diperoleh hasil persentase sebagai berikut: Sleman 76,13% (sangat siap), Yogyakarta 78,72% (sangat siap), Bantul 73,16% (siap), Gunungkidul 75,54% (siap), dan Kulon Progo 75,42% (siap). ___________________________________________________________________________________________________________________________________________________________________________________________ THE STUDY ON THE ELEMANTARY SCHOOL TEACHERS READINESS IN IMPLEMENTING THEMATIC-INTEGRATIVE TEACHING AND LEARNING IN CURRICULUM 2013, YOGYAKARTAABSTRACT This study aims to describe the readiness of elementary school teachers in implementing curriculum 2013, based on thematic-integrative learning in Yogyakarta Province. This is a survey study. The research population were elemantary school teachers of class I and IV in DIY. The research sample consisted of 289 elemantary school teachers from 49 public schools and 15 private elementary schools which used as pilot project based on the data from Kemdikbud. The result shows that the percentage of elementary school teachers readiness in to implementing thematic-integrative learning is 75.85% (ready): the precentage of readiness behavioral aspects is 80% (well prepared), emotive ettitudinal aspect is 78.39% (well prepared) and cognitive readiness aspects is 71.18% (ready). While the readiness of elementary school teachers in each district are follows: Sleman 76.13% in the category of (well prepared), Yogyakarta 78.72% in the category of (well prepared), Bantul 73.16% in the category of (ready), Gunungkidul 75.54% in the category of (prepared ), and Kulon Progo 75.42% in the category of (ready). Keywords: Elemantary school teachers readiness, thematic-integrative, kurikulum 2013