ABSTRAKTujuan penelitian ini adalah untuk meningkatkan hasil belajar dalam pembelajaran Prakarya dan Kewirausahaan pada siswa kelas X Pemasaran 1 SMK Negeri 1 Karanganyar. Melalui penerapan model pembelajaran Project Based Learning diharapkan dapat meningkatkan hasil belajar siswa.Penelitian ini merupakan penelitian tindakan kelas (PTK) yang dilakukan sebanyak dua siklus. Setiap siklus terdapat 4 tahap yaitu: (1) perencanaan tindakan; (2) pelaksanaan tindakan; (3) observasi; (4) analisis dan refleksi dengan 4 kali pertemuan. Setiap pertemuan berlangsung selama 2 x 45 menit. Subyek penelitian ini adalah siswa kelas X Pemasaran 1 SMK Negeri 1 Karanganyar yang berjumlah 36 siswa. Teknik pengumpuan data dilakukan melalui kegiatan: (a) wawancara; (b) observasi; (c) dokumentasi; (d) tes, dan authentic assesment.Berdasarkan penelitian yang telah dilaksanakan, dapat disimpulkan bahwa model pembelajaran Project Based Learning dapat meningkatkan hasil belajar siswa kelas X Pemasaran 1 tahun pembelajaran 2014/2015. Hal ini terbukti pada siklus I sampai siklus II hasil belajar siswa mengalami peningkatan. Sebelum diterapkan model pembelajaran Project Based Learning nilai rata-rata kelas adalah 72,5 atau presentase ketuntatasan 36,11%. Pada siklus I nilai rata-rata kelas adalah 80,64 atau dengan presentase ketuntasan 86,11% dan pada siklus II nilai rata-rata kelas 84,11 atau dengan presentase ketuntasan 91,67%. Dengan demikian dapat disimpulkan bahwa dengan penerapan model pembelajaran Project Based Learning dapat meningkatkan hasil belajar siswa pada mata pelajaran Prakarya dan Kewirausahaan.Kata kunci: Project Based Learning, hasil belajar Prakarya dan Kewirausahaan.ABSTRACTThe objective of this research is to improve the learning outcomes in the Craft and Entrepreneurship subject matter of the students in Grade X of Marketing 1 of State Vocational High School 1 of Karanganyar. Through the application of the Project-Based Learning model expected to improve student learning outcomes.This research used the classroom action research (CAR) with two cycles. Each cycle consisted of four phases, namely: (1) planning; (2) implementation; (3) observation; (4) analysis and reflection. It was conducted in four meetings. Each meeting lasted for 2 x 45 minutes. The subjects of this research were 36 students in Grade X of Marketing 1 of State Vocational High School 1 of Karanganyar. The data of research were collected through (a) in-depth interview; (b) observation; (c) documentation; (d) test, and (e) authentic assessment.  The result of research shows that the Project-Based Learning model could improve the learning outcomes of the students in Grade X of Marketing 1 of State Vocational High School 1 of Karanganyar in Academic Year of 2014/2015. It was proven by the improvement of the students’ learning outcomes in Cycle I to Cycle II. Prior to the application of the Project-Based Learning model, the class mean score was 72.5, with the percentage of completeness of 36.11%.  In Cycle II, the class mean score became 80.64 with the percentage of minimum learning completeness criterion of 86.11%. Therefore, it can be concluded that the application of Project-Based Learning model can improve the students’ learning outcomes in the Craft and Entrepreneurship subject matter.Keywords:     Project-Based Learning, Learning outcomes of the Craft and Entrepreneurship subject matter.