The Vatican Library

High School of Your Dreams – CHC
High School Guide and Planning program from Catholic Heritage Curricula. Includes information on courses, testing, and parent support. You work with your student to identify his/her ultimate goals after High School to plan their Course of Study.

The Cardinal Newman Society
The premier Catholic organization promoting and defending faithful Catholic education in our schools and colleges. Their “Newman Guide to Recommended Catholic Colleges” is the only source you need when researching the best, true, faithful Catholic colleges for your student.

Angelicum Academy 
The Angelicum Academy is a Catholic homeschool and liberal education program based on the liberal arts and the classical great books of Western civilization (as well as online Socratic discussions). Complete for home study, nursery through 12^th grade.  Includes: Art, English Language Arts (Grammar and Composition, Handwriting, Phonics, English Roots, Spelling, Vocabulary), Geography, Greek, History, Latin, Math, Religion, Rhetoric, and Science.
High School students may take courses for high school, college credit, and degree tracks in partnership with Holy Apostles College and Seminary.

Arts of Liberty
Founded by Dr. Jeffrey Lehman, Professor of Humanities and Philosophy at the University of Dallas, the Arts of Liberty Project  is an online, interdisciplinary resource for teachers and students. Resources include complete Liberal Arts courses, Great Books Study Guides, and Art and Architecture Galleries. The entire web site is a collaborative effort, involving scholars from around the world who are actively engaged in liberal education at the undergraduate and graduate levels.

Bellarmine History and Latin Studies
Latin and History classes for Traditional Catholic homeschooling are offered for Middle and High School students. Courses are taught in the classroom, live online, and/or via recorded online classes. Curriculum includes texts from Catholic Textbook Project, Didache Series, and Memoria Press.  Bellarmine is located in San Diego County, but students from any area may enjoy the online options.

CatechismClass.com 
At the forefront of providing online religious education to Catholics of all ages around the world. Entirely faithful to the Magisterium of the Holy Church, they are endorsed by His Holiness Pope Emeritus Benedict XVI, Raymond Cardinal Burke, Archbishop Chaput, Jason Evert, Donna Steichen, and others. Special Homeschool packages and discounts are available.

Catholic Textbook Project
Only Catholic Textbook Project offers faithfully Catholic and rigorously accurate textbooks that tell the full story of history in a unique narrative format. When you teach from our textbooks, your students will enter into history in a whole new way, no longer burdened by the weight of political biases, but lifted up by the insight of a holistic and academic Catholic worldview.

Digital Vatican Library
DigiVatLib is a digital library service. It provides free access to the Vatican Library's digitized collections of manuscripts and incunabula. The project, started in 2010, focuses on two purposes:  the long-term preservation of high resolution images and the online digital library.

Homeschool Connections Online
Winner of the 2017 -2020 iLearn Awards, Homeshcool Connections offers complete live and recorded online classes for 3rd-12th grade students. Live interactive learning, recorded classes, unit studies, and Aquinas Writing Advantage courses available. Educating the heart, mind, and soul in the Catholic tradition. HC and Franciscan University have partnered to make it possible for high school juniors and seniors to earn college credit.

Schola Rosa and the Rolling Acres School Online Academy
Catholic Classical curriculum and classes in the tradition of Charlotte Mason and St. Rose Venerini. Materials help parents guide their children to develop a true understanding of history and nature in which the incarnate Christ is the beginning, the middle, and the end. This way of teaching fosters a "way of understanding" for the whole family, focused upon those things which are true, beautiful, and good. For grades K-12.

St. Catherine Catholic Culture Center - learn Church Latin!
Their basic philosophy of learning Church Latin is that textbooks should be the prayers and texts of the Church. After all, If those prayers and texts are what you want to learn to understand, you should get started with them immediately! Site lists many, many resources for learning at all levels.

TAN Academy
TAN Academy is a comprehensive K-12 homeschool which seeks to educate their students and families to desire the highest things—the  good, the true, and the beautiful.  TAN Academy’s guiding precepts are the education of children and the formation of families, which is achieved by the characteristics of our curriculum, which is trustworthy, simple to use, and is given at an affordable price.

The Animation Course
Chad Stewart has worked as a professional animator in film and television for the last 27 years. He was a Disney animator on such films as Tarzan and The Emperor’s New Groove, and most recently, he’s worked as a 3D Visual Development Artist at Sony Pictures Animation and continues to do contract work with the studio. Chad and his wife of 24 years have been lifelong homeschoolers to their four daughters, and four adopted sons from Liberia, West Africa. He was inspired by his own homeschooling experience to share his knowledge of animation with other kids and thus, The Animation Course was borne about three years ago.

Roman Roads Media
Specializing in classical curriculum for home and classroom use. Courses are crafted to delight both students and their parents. One of the better Catholic-friendly, Protestant resources I have found.

CiRCE Institute
Promotes and supports classical education in the school and in the home via curricula, books, webinars, and much more. 

Excellence in Literature
Classic Literature studied in its historic, artistic, and literary context. Optional honors track. Five-year curriculum for Grades 8 - 12.
 
The Great Courses
Online videos and lectures allow you to learn everything about everything with university-level courses for lifelong learning taught by the world's greatest professors. Prices vary from $0.00+ for individual courses. The "Great Courses Plus" is a monthly paid subscription giving access to over 300 courses, with new material continuously added. Watch online or via Roku, Amazon FireTV, Chromecast, Apple Store, and more.

Hillsdale College Online Courses
Hillsdale College offers free online courses on a variety of topics, including politics, literature, history, and education.

Memoria Press
Memoria Press exists to promote and impart the classical heritage of the Christian West. We do this through an emphasis on the liberal arts and the great works of the Western tradition. In order to achieve this goal, we have produced a comprehensive and accessible classical Christian curriculum that encourages the development of wisdom and virtue through a pursuit of the Good, the True, and the Beautiful. Our motto is “Saving Western Civilization One Student at a Time” and expresses our passion for defending and transferring the culture of the Christian West through classical education. 

MIT Open Courseware Highlights for High School
Provides open educational resources for high school covering science, mathematics, engineering, humanities, and social sciences.

Project Gutenberg
Project Gutenberg offers over 53,000 free ebooks: choose among free epub books, free kindle books...download or read them online. They carry high quality ebooks, most of which were previously published by bona fide publishers.

Slooh Observatory Broadcasts
Connecting land-based telescopes to the internet for wider viewing access. Slooh members have participated in numerous discoveries with leading astronomical institutions. Great educational tool.

Smithsonian Libraries
The Smithsonian Libraries is the most comprehensive museum library system in the world, supporting the vital research of the institution as well as the work of scientists and scholars. This online collection focuses on Smithsonian publications, art and design, history and culture, and the history of technology. The natural history titles can be found on the Internet Archive in the Biodiversity Heritage Library collection.