How many Tennessee high schools offer computer science?
In 2024 to 2025, 384 of 464 Tennessee high schools (82.8%) offered computer science and 39,819 high school students took a CS course, Code.org (2025) reports, up from 60.8% of schools a year earlier. Modern Age Coders teaches Tennessee students live online, from game coding in elementary school to Python and AP Computer Science Principles, in Eastern or Central Time.
Two things make Tennessee unusual for an online class. The first is in the data: between 2023 to 2024 and 2024 to 2025, the published share of Tennessee high schools offering computer science rose by twenty-two points, a far larger move than in the years before. The second is on the clock: the state is split between Eastern and Central Time, so a single class can start at different local hours for two students in the same state. This page covers both, then shows the Nashville library project our students use to learn how software handles time.
Facts last verified 18 October 2026. Teaching is online; no Tennessee branch is claimed.
Pick by grade to begin with. The free lesson then checks the level, so a seventh grader who already writes JavaScript can skip ahead.

Games built step by step, with scoring, levels and characters, so loops and conditions arrive as tools for fun rather than as theory.
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Interactive web pages that respond to clicks and keys, a quick route to something a friend can open on their own phone.
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Python from first principles to files, dates and data, the toolkit behind the Nashville library hours project.
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The AP Computer Science Principles framework, the Create performance task and exam practice, taught alongside school.
See the syllabusBrowse the course atlas for more than one hundred options and use the coding roadmap to check prerequisites.
The four we are known for
These run underneath everything above. Every one is live and online, placed by ability rather than by age, and the first class is free.

Python, web and AI projects where the learner still owns the thinking.
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Automate the work you already do, then let AI carry part of it.
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Train a model, read what it learned, and be able to say why it is wrong.
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Run AI coding agents on real work without losing control of the codebase.
See the syllabusEvery Tennessee value below is copied from two spreadsheets: the Access and Participation tabs of the Code.org 2025 report data, and the College Board count of schools giving AP exams. Blank years stay blank.
| Year | Schools offering CS | Students enrolled |
|---|---|---|
| 2018 to 2019 | Not reported | Not in the sheet |
| 2019 to 2020 | 50% | Not in the sheet |
| 2020 to 2021 | 54% | 5.3% |
| 2021 to 2022 | 60% | 4.7% |
| 2022 to 2023 | 64% | 5.35% |
| 2023 to 2024 | 60.8% | 5.96% |
| 2024 to 2025 | 82.8%, or 384 of 464 | 13.23%, or 39,819 of 300,911 |
| Measure | Tennessee | For comparison |
|---|---|---|
| High schools offering CS, 2024 to 2025 | 82.8% | 60% nationally |
| Students enrolled in CS, 2024 to 2025 | 13.23% | 6.1% nationally |
| Schools with AP exams, 2023 | 438 (349 public, 89 non-public) | College Board count |
| Schools with AP exams, 2024 | 449 (358 public, 91 non-public) | College Board count |
On these figures, Tennessee moved from just above the national access line to well above it in a single year, and the enrolled share more than doubled. The sheet records the source for 2024 to 2025 as the state education agency. It does not say why the numbers moved, and we could not read the Tennessee Department of Education site to check, so we do not offer a reason.
Citation for every access and participation value here: Code.org (2025). 2025 State of AI + CS Education. We quote single Tennessee values and do not republish the dataset.
A sudden jump in a published series is good news to check, not to repeat blindly. These questions are the same ones we teach students to ask of any dataset, applied to Tennessee’s own figures.
The Code.org sheet notes that its total of high school students comes from the NCES count for fall 2022. So 13.23% compares a 2024 to 2025 enrollment with a fall 2022 student total: a fair estimate, but not a same-year census.
A change in what counts as a computer science course, or in how schools report, can move a percentage as much as a change in classrooms can. The sheet alone cannot tell the two apart, and neither can we.
Even at 82.8%, about one Tennessee high school in six did not report a computer science offering. A family still needs to ask their own school what runs, in which grade and at what level.
This habit has a name in our classes: say what the number is before saying what it means. Students who learn it on state statistics carry it into their own code, where the cost of a misread number is a wrong answer handed in with confidence.
Metro Nashville publishes its 21 public library locations as open data, with opening and closing times for every day of the week. The times are typed as text, which makes them a perfect first lesson in datetime handling.
| What we checked | Count |
|---|---|
| Library records | 21 |
| Opening and closing cells (21 records, 7 days, 2 times each) | 294 |
| Empty cells, meaning closed that day | 54 |
| Times written with a space before AM or PM, such as 5:00 PM | 25 |
| Times written without one, such as 5:00PM | 215 |
| Hours open per week | Libraries |
|---|---|
| 58 | 5 |
| 56 | 3 |
| 39 | 12 |
| 32 | 1 |
Two spellings of the same time break a naive parser. Students strip the stray space, then parse each value with one format string, and count how many cells needed fixing before trusting the rest.
Closing minus opening gives hours per day, summed over the week: 958 library hours across all 21 records. Only 8 libraries list Friday hours and only 8 list Sunday hours, while 20 open on Saturday.
The service metadata gives a preferred time reference of America/Chicago, while its date fields are stored as Etc/UTC. A time with no zone is ambiguous; students attach the right one before converting.
The conversion step is where Tennessee earns its place in the lesson. The latest closing time anywhere in the data is 8:00 PM in Nashville, which is 9:00 PM on an Eastern Time clock across eastern Tennessee and early the next morning in India. In Python the key line is close = datetime(2026, 10, 19, 20, 0, tzinfo=ZoneInfo("America/Chicago")), then close.astimezone(. Students also notice that all 21 records answer Yes in the PublicComputers field, and 7 in a field called StudioNPL, and learn to report a field’s values without guessing what the library means by it.
Every count and total in this section comes from our own parsing of one download. Metro Nashville publishes the hours, not these sums, and libraries change their hours, so a student who reruns the code next season may get different answers. That is the point: the method is the product.
The IANA time zone database places eastern Tennessee in the Eastern list and western Tennessee in the Central list. We schedule each family in their own zone and say which zone every time is in.
| Clock | Until October 31, 2026 | From November 1, 2026 |
|---|---|---|
| Eastern Time, eastern Tennessee | 7:00 p.m. | 7:00 p.m. |
| Central Time, western Tennessee | 6:00 p.m. | 6:00 p.m. |
| India time, where the teacher is | 4:30 a.m. the next day | 5:30 a.m. the next day |
Both US zones move their clocks together, so Eastern and Central stay one hour apart all year. India does not move, so the teacher’s hour changes when Tennessee’s does.
The US rule in the IANA data changes clocks at 2 a.m. local time on the first Sunday in November and the second Sunday in March: November 1, 2026 and March 14, 2027.
A batch can hold students from both halves of the state. We always print the time in each student’s zone, so no one joins an hour early or late.
Booking across the line
If a parent works in one zone and the student studies in the other, tell us which clock the student lives by, and every reminder is sent in that zone.
A guide to typical starting points. The placement lesson decides the real one.
Drag-and-drop programs, simple animations and the idea that a computer follows steps exactly.
Coding for KidsScratch Coding for KidsScores, levels and enemies that move on their own: logic practised through play.
Game Development for KidsPython and AI for KidsJavaScript and Python side by side, with pages and small tools a student can share.
JavaScript for TeensPython for TeensAP Computer Science Principles and machine learning projects tested on real data.
AP Computer Science PrinciplesAI and Machine Learning for TeensOnly if somebody tells it which zone the time was in to begin with.
Paste the Nashville hours into a chatbot and ask when the libraries close on Eastern Time, and it may well get it right. Ask without saying the hours are local Nashville times, and it has to guess. A plain string such as 8:00PM carries no zone at all, which is exactly why the service publishes a preferred time reference.
Students who have parsed the strings themselves know the guess is there, so they supply the missing context or check the result. That is the working relationship with AI we teach: the student sets up the problem precisely, the tool helps with the routine part, and the student verifies the answer against something they trust.
In a state with two clocks, knowing which one a number belongs to is not trivia; it is the difference between a program that works and one that is an hour wrong. The longer argument is in the case for still learning to code in 2026.
A class online means no drive across a long state, and no difference between a city student and a rural one.
Students log in from a laptop or desktop at home. Families in Memphis, Nashville, Chattanooga and Knoxville join exactly the same lessons.
Teachers work in US grade levels and around the Tennessee school calendar. Graded school assignments stay the student’s own work.
A short real task tells the teacher where to start. No card or payment details are asked for at this stage.
Batches of fifteen to twenty who share a level, gathered from Tennessee and other states.
A teacher and one student, for a faster pace, AP preparation or a specific project.
Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.
Nothing to visit
Lessons are live online, taught from India. Modern Age Coders has no premises in Tennessee and claims none. Working sound, a camera if possible and a reliable connection are the only equipment.
Printed in US dollars, the same everywhere in the state.
A full first lesson with a teacher, free, ending with a suggested level, course and time.
A month of classes in a level-matched batch of fifteen to twenty.
A month of one-to-one classes with a single teacher.
Families in Tennessee pay one rate in US dollars wherever they live and whichever zone they are in. Nothing is charged before the free lesson and an agreed plan; holidays and missed lessons are explained on the pricing page.
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"I highly recommend this computer coding class! The teachers are incredibly knowledgeable and passionate about coding."
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Give us the student’s grade and tell us whether you are on Eastern or Central Time. The first task fits the student: a small game for a fourth grader, a web page for an eighth grader, or the library hours parser for a junior.
Short answers on the figures, the clocks and the classes.
Code.org (2025) reports 384 of 464 Tennessee high schools, or 82.8%, offering computer science in 2024 to 2025, against 60% nationally.
The same data reports 39,819 high school students enrolled in 2024 to 2025, or 13.23% of a fall 2022 total of 300,911, against 6.1% nationally.
The source does not say, and the Tennessee Department of Education site refused our request when we checked, so we give no reason. Access rose from 60.8% to 82.8% in one year.
We print no Tennessee rule on this page because we could not read the department or legislature sites on 17 and 18 October 2026. Please check with your school counselor.
The College Board lists 438 Tennessee schools with AP exams in 2023 and 449 in 2024, public and non-public together.
Your own. The IANA database puts eastern Tennessee on Eastern Time and western Tennessee on Central Time, and we schedule and remind in whichever applies to your family.
Parsing times typed as text, adding up weekly hours and converting between zones. Students parse 294 opening and closing cells for 21 libraries and label every total as their own.
We do not claim that. Credit is the school district's decision. Our classes add skills, projects and exam preparation alongside school.
Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.
No. Teaching is entirely live online from India, and no Tennessee office or classroom exists or is claimed.
Students taking AP can compare AP Computer Science Principles coaching with AP Computer Science A. Middle schoolers often start with coding classes for middle school students, and anyone who wants a summer goal can read about hackathons for high school students.