DEM / P / 01
Placement test prep
TSIA2, ACCUPLACER, ALEKS.
Open the syllabusCollege math support
Three courses for dual enrollment math
The college course runs alongside the dual credit class; the other two help a student qualify and then keep up.
United States · Grades 11 and 12 · College credit in high school
Dual enrollment lets a high school student take a real college math course, often College Algebra, Precalculus or Calculus I, and earn college and high school credit together. It can save a semester later. It can also put a low grade on a college transcript at sixteen. The rules for getting in vary by state and college, and the pace is a college pace. This page collects published entry rules in their owners' words, explains the stakes, and works through the math.
Live math teaching since 2020 · 10,000+ students · high school juniors and seniors
In short
Dual enrollment math means a high school student takes a college math course, such as College Algebra or Calculus I, for both college and high school credit. Each state and college sets its own entry rules, often a placement score such as TSIA2 or an SAT or ACT math score, and the grade starts a college transcript. Our College Mathematics course gives live support online, in a 15 to 20 student batch or 1-on-1.
College math support
The college course runs alongside the dual credit class; the other two help a student qualify and then keep up.
What it is
A college math course taken while still in high school. It may run on a college campus, online, or in the high school with a high school teacher approved by the college. Names differ by state.
| Source | Program | In its own words |
|---|---|---|
| NACEP (national) | Concurrent enrollment | Works "to ensure that college courses offered by high school teachers are as rigorous as courses offered on the sponsoring college campus" |
| Washington SBCTC | Running Start | A program that "allows 11th and 12th grade students to take college courses at Washington's 34 community and technical colleges" |
| Georgia Student Finance Commission (GAfutures) | Dual Enrollment | For "Georgia resident students enrolled at an eligible public or private high school or home study program in Georgia" |
| Utah State Board of Education | Concurrent Enrollment | Math 1050 and Math 1060 "are Concurrent Enrollment classes" |
Sources: NACEP, Washington SBCTC Running Start, GAfutures Dual Enrollment and the Utah Graduation Pathways.
It depends on the state. Washington says Running Start students "do not pay tuition" but remain responsible for "mandatory fees, books and transportation."
Georgia says its program "provides for standard tuition, mandatory fees and required books." Check your own state and college before enrolling.
NACEP calls itself "the sole accrediting body for concurrent enrollment partnerships". It reports that, in its 2025 to 2026 cycle, the national total reached "136 programs at 132 institutions in 27 states."
Accreditation is one sign a high school-taught college course matches the campus version. It is worth asking about, especially when credits need to transfer.
Entry rules
Usually a qualifying placement score, or a completed prerequisite course, plus the high school's approval. One Texas college publishes its rules in full, which makes it a clear example.
| Route | Minimum HCC lists for math-based classes |
|---|---|
| TSI Assessment 2 (TSIA2) | Math 950 to 990, or Math 910 to 949 with Diagnostic Level 6 |
| SAT (after 3/2016) | Math Section Score 530+ |
| ACT (after 2/15/2023) | Math 22+ |
| STAAR end-of-course | Algebra II 4000+ |
| College prep course | Mathematics College Prep course with grade C or higher |
Source: Houston Community College, Dual Credit. HCC also lists earlier ACT and TSI versions; other Texas colleges set their own course prerequisites on top of the state rules.
HCC says "High school students interested in dual credit must be assessed in Reading, Writing, and Mathematics prior to enrollment." Students must also "Be currently enrolled in 9th grade or higher" and be recommended by their high school.
The last line matters most for math: students must "Meet the dual credit course prerequisite requirements." Calculus I will need more than College Algebra does.
Washington ties Running Start to grade standing: its FAQ says a student "must have completed 10th grade or be eligible to enroll in 11th grade", with colleges handling placement and charging "course and placement testing fees" as allowed.
Utah's pathways chart puts its concurrent College Algebra and Statistics courses after Secondary Math III, and its calculus options after Pre-Calculus.
The transcript
Yes, in the programs we checked. Washington's FAQ states it outright, and the same is true wherever the credit is college credit.
Washington's Running Start FAQ says enrollment "automatically establishes a college transcript." That transcript follows the student when they apply to universities and, later, to some graduate programs.
On retakes it is equally clear: "Both the original course and the retaken course, as well as the corresponding grades earned, will show on both the college and high school transcripts."
A semester of College Algebra or Calculus I covers in about four months what a high school course might spread over a year. Homework is often online with firm deadlines, and tests carry most of the grade.
Students who did well in high school math can still be caught out by the speed. The first two or three weeks decide most outcomes, which is when we suggest support starts.
| Question | Dual enrollment course | AP course and exam |
|---|---|---|
| What earns credit? | The final course grade | The May exam score |
| Where does the grade appear? | On a college transcript and the high school one | On the high school transcript; the exam score is sent separately |
| Who accepts it? | Often in-state public colleges; transfer varies | Depends on each college's AP policy |
| One bad day? | Spread across a semester of work | Concentrated in one exam |
Worked problems
College Algebra centers on functions and models; Calculus I on limits, derivatives and the first integrals. The problems below are ours. The last one is solved twice, once with each course's tools.
| Problem | Reasoning | Result |
|---|---|---|
| A culture grows as P = 500e^(0.3t), t in hours. When does it double? | Set 1000 = 500e^(0.3t), so e^(0.3t) = 2 and 0.3t = ln 2 | t = ln 2 / 0.3, about 2.31 hours |
| Solve (x - 2)/(x + 3) ≥ 0 | Critical values -3 and 2; test each interval; x = -3 is excluded, x = 2 included | x < -3 or x ≥ 2 |
| f(x) = x^2 for x < 1, and 2x - 1 for x ≥ 1. Is f continuous at 1? | Left value 1^2 = 1, right value 2(1) - 1 = 1 | Yes, both sides meet at 1 |
| Problem | Reasoning | Result |
|---|---|---|
| Find f'(3) for f(x) = x^2 from the limit definition | ((3 + h)^2 - 9)/h = (6h + h^2)/h = 6 + h, and h goes to 0 | 6 |
| Tangent line to y = x^2 at (3, 9) | Slope 6 through (3, 9): y - 9 = 6(x - 3) | y = 6x - 9 |
| Evaluate the integral of 3x^2 from 0 to 2 | An antiderivative is x^3; 2^3 - 0^3 | 8 |
| Step | College Algebra: use the vertex | Calculus I: use the derivative |
|---|---|---|
| Model | Sides x, x and 40 - 2x: A(x) = x(40 - 2x) = 40x - 2x^2 | Same model |
| Find the optimal x | Vertex at x = -b/(2a) = -40/(2 x -2) = 10 | A'(x) = 40 - 4x = 0, so x = 10 |
| Confirm a maximum | Leading coefficient -2, so the parabola opens down | A''(x) = -4 < 0 |
| Answer | Sides 10, 10 and 20; area 200 square meters | The same |
from math import log
print(round(log(2) / 0.3, 2)) # doubling time: 2.31 hours
f = lambda x: x ** 2
for h in [0.1, 0.01, 0.001]:
print(h, (f(3 + h) - f(3)) / h) # 6.1, 6.01, 6.001: heading to 6
area = lambda x: x * (40 - 2 * x)
top = max(range(0, 21), key=area)
print(top, area(top)) # 10 200Our own check. The shrinking-h loop is the limit definition made visible, which helps students who find the algebra abstract.
Which course
The one their likely major needs. Utah's concurrent enrollment flyer and pathways chart, from 2021, give an unusually clear guide; other states have similar course families under other numbers.
| Course | Utah's note on who it suits or what it does |
|---|---|
| Quantitative Reasoning | For majors such as English, fine arts, humanities and performing arts |
| Statistics | For majors such as history, nursing, psychology and social sciences |
| College Algebra (Math 1050) | For business, biological and physical sciences, engineering and mathematics; "1050 also satisfies the QL requirement for a bachelor's degree" |
| Math 1050 and 1060 together | "most of the same topics as Precalculus", taken before university calculus |
| Calculus (AP Calculus AB or BC, or Math 1210/1220) | Listed after Pre-Calculus |
| Math 1010 | Utah notes it "doesn't give you the QL math credit you need for a bachelor's degree" |
College Algebra is rarely the last math course. Students heading for engineering or science usually want trigonometry and calculus next, so Calculus I readiness is the real goal.
A strong grade in College Algebra matters because it is often the prerequisite the college checks for Calculus I.
Statistics or quantitative reasoning may satisfy the degree requirement more directly than College Algebra.
Ask the target university which course meets its general education math requirement before choosing.
The catalogue
Live courses for getting in, keeping up and going further.
DEM / P / 01
TSIA2, ACCUPLACER, ALEKS.
Open the syllabusDEM / P / 02
Algebra 2 and precalculus.
Open the syllabusDEM / P / 03
A score many colleges accept.
Open the syllabusDEM / K / 01
College Algebra to Calculus I.
Open the syllabusDEM / K / 02
Functions and trigonometry.
Open the syllabusDEM / K / 03
For a dual credit statistics class.
Open the syllabusDEM / F / 01
AB and BC.
Open the syllabusDEM / F / 02
Linear algebra and statistics.
Open the syllabusDEM / F / 03
For later admissions tests.
Open the syllabusHow lessons run
Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.
Weekdays
The evening before each online homework deadline.
Weekends
Exam review and the coming week's preview.
1-on-1
Planned around the college syllabus dates.
We plan from the college's calendar.
New topics seen before lectures.
Timed mixed problems before each test.
We teach; graded work stays the student's.
Algebra methods linked to calculus.
A class of 15 to 20, or one to one.
Student work
Older students often put calculus and modeling into code. Look through student labs.
AI and ML
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AI and ML
A chatbot that answers mathematics and programming questions, built and deployed by a student.
AI and ML
An assistant that helps a young person recognise unsafe situations online.
Web app
A weather forecasting site with live conditions for any location.
Fees
Our support is billed monthly in US dollars, separately from anything the college or state charges for the dual enrollment course. A student can join for one semester only.
Free first class
USD 0
no card required
Group batch
USD 100
a month, billed in US dollars
One to one
USD 150
a month, billed in US dollars
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Questions students ask
Commonly College Algebra, Precalculus or trigonometry, Statistics, quantitative reasoning and Calculus I, depending on the college. Utah, for example, lists quantitative reasoning, statistics, Math 1050 and Math 1060, with calculus after precalculus.
It depends on the college. Houston Community College, for instance, lists TSIA2 Math 950 to 990 (or 910 to 949 with Diagnostic Level 6), SAT Math 530, ACT Math 22 or STAAR Algebra II 4000 among its routes for math-based classes such as College Algebra.
The test is usually the college's placement test, such as TSIA2, ACCUPLACER or ALEKS. Use the official free practice from the test owner, and see our placement test prep course. This page also has our own College Algebra and Calculus I problems.
In the programs we checked, yes. Washington says Running Start enrollment automatically establishes a college transcript, and both an original and a retaken course appear on it.
It moves at college pace, so a semester can cover what a high school class spreads over a year. Students with solid Algebra 2 skills usually manage well if they keep up from the first week.
Neither is better for everyone. Dual enrollment credit comes from a semester grade and often transfers well within a state; AP credit comes from one exam score and depends on each college's AP policy. Check your target colleges.
We teach the methods and work through similar problems, and we review the student's own reasoning. We do not complete graded homework, online assignments or exams for anyone.
Often, yes. Georgia's program, for example, includes students in an eligible home study program, and Washington applies district grade placement rules to home and private school students. Check your state and college.
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. We do not grant college or high school credit and are not affiliated with any college, state agency or NACEP. We provide tutoring alongside the course a student takes through their own program.
Elsewhere on this site
Related help for juniors, seniors and college-bound students.
The bridge to Calculus I.
Limits, derivatives and integrals.
The exam-based alternative.
The skills College Algebra assumes.
Senior-year options.
Planning college credit at home.
Part of the guide: US math placement and college readiness tests
More guides: US state math tests by state · US gifted and selective school tests · Homeschool and school math curricula guide · US math and coding competitions guide
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Send the course name, the college and its syllabus, or the placement test you are facing. The first class works through the opening topics of that syllabus so you can judge the fit.
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