Greek
Some Options for Studying Biblical Greek Online (if you need an alternative because of your personal situation, school location, schedule, or other factors)
For students seeking academic credit: many schools now have online courses; in some cases, you might be able to get approved for transfer credit and enroll as a visiting or non-degree seeking student, if approved by the school where you are seeking a degree.
Chris Engelsma's courses (inductive method, self-paced): https://beingtaught.us/about/course-material/
"Learn" at Daily Dose of Greek:
Based on David Alan Black's beginning grammar: https://dailydoseofgreek.com/learn/
Based on Ben Merkle's and Rob Plummer's beginning grammar: https://dailydoseofgreek.com/learn-biblical-greek/
Biblemesh Biblical Greek Reading Courses (paid; occasional discounts; possible course credit options; covers John 1–3; Matthew 5–7; 1 Thessalonians; Mark 1– 8): https://biblemesh.com/certificate-tracks/biblical-languages-certificate/
Placement exam (free): https://courses.biblemesh.com/placement-tests
Biblingo (paid, communicative): https://biblingo.org/
Alpha with Angela (free, communicative): https://freegreek.online/
Biblical Language Center (paid, communicative): https://www.biblicallanguagecenter.com/
GlossaHouse's Conversational Koine (paid, communicative): https://glossahouse.com/products/conversational-koine-i
Macquarie Ancient Languages School has offered intensive guided reading classes in New Testament and Septuagint (with online option): https://mals.org.au/current-program/
Septuagint Studies
TWU/ACTS has offered Septuagint courses for academic credit (with online option): https://www.twu.ca/research/discover-twu-research/institutes-centres/john-william-wevers-institute-septuagint-studies