There are several options available out of the USA, Canada and the UK. These are designed by educators to guide parents through their homeschooling journey. Since Homeschooling in modern times started as a Christian movement you will find that most curricula have a faith-based worldview. There are some publishers that have begun to produce secular programs.
Listed below are just a few to get you started.
Christian Based Programs
Ministry of Education (MOE) of Trinidad & Tobago Curricula
The MOE has their curriculum guides available to download on their website and can be found here.