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A.C.E. High Academy - 06

Public, Virtual Grades 9-12

165^th

SchoolDigger Rank ?

of 166 South Dakota High Schools

Better than 1% of South Dakota high schools

Summary

A.C.E. High Academy - 06 is a small public high school in Custer, South Dakota, serving grades 9-12 with just 19 students. The school is part of the Custer School District 16-1, which is ranked 58 out of 147 in the state and rated 3 stars out of 5 by SchoolDigger.

Despite its small size, A.C.E. High Academy - 06 has consistently underperformed compared to the state and district averages in Smarter Balanced Assessments for 11th-grade students. In the 2024-2025 school year, only 20% of students were proficient or better in English Language Arts, and 0% were proficient in Mathematics and Science, significantly lower than the nearby Custer High School - 01 and the state of South Dakota. The school has also experienced high dropout rates, ranging from 2.0% to 21.0% in recent years, much higher than the 2.6% dropout rate at Custer High School - 01.

Compared to other local schools, such as Hill City High School - 01, A.C.E. High Academy - 06 performs significantly worse academically. Both Custer High School - 01 and Hill City High School - 01 have higher proficiency rates, graduation rates, and lower dropout rates. The small size of A.C.E. High Academy - 06 and its high percentage of students from low socioeconomic backgrounds may be contributing factors to its academic struggles, which have worsened over the years.

Students ?

16.0

Student/teacher ratio ?

25%

Free/discounted lunch ?

527 Montgomery St
Custer, SD 57730

(605) 673-4473

District: Custer School District 16-1

Racial breakdown:

White:

81.3%

Two or more races:

12.5%

American Indian:

6.3%

See top rated South Dakota high schools

Compare A.C.E. High Academy - 06 to nearby high schools!

At a glance

Strengths

✓90% graduate in 4 years — above the South Dakota average (86%)

Worth a look

!Test scores below the South Dakota average (7% vs 50% meeting standards)

!In the lower quartile statewide (1st percentile)

!Dropout rate above the South Dakota average (21% vs 3%)

Students meeting standards (2024-2025) ?

This school7%

District avg56%

South Dakota avg50%

165^th of 166

South Dakota public high schools ?

Bottom 1%

See the entire ranking list of South Dakota High Schools →

★★★★★

SchoolDigger rating ?

2^nd of 2High Schools in the Custer School District 16-1

58^th of 147Custer School District 16-1 among South Dakota districts

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Low Socio Economic Status (2025)41st percentile+40 vs school

Female (2025)23rd percentile+22 vs school

Male (2025)2nd percentile~ school

White (2025)2nd percentile~ school

By subject vs South Dakota (2024-2025) ?

English Language Arts20%-44 vs state

Mathematics0%-36 vs state

Science0%-49 vs state

★

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Schools Near A.C.E. High Academy - 06

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				Smarter Balanced Assessments English Language Arts (2025)	Smarter Balanced Assessments Mathematics (2025)	Smarter Balanced Assessments Science (2025)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	Smarter Balanced Assessments English Language Arts 11th Grade	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Science 11th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
A.C.E. High Academy - 06	Public, Virtual	9-12	527 Montgomery St	Custer	57730	Custer County	Custer School District 16-1	(n/a)	(n/a)	Yes	(n/a)	(605) 673-4473	16	1	16.0	25.0%	13 (81.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (6.3%)	0 (0.0%)	2 (12.5%)	3.5	165^th of 166 public high schools	0.6%					(n/a)	20.0	0.0	0.0
Custer High School - 01	Public	9-12	1645 Wildcat Ln	Custer	57730	Custer County	Custer School District 16-1	(n/a)	(n/a)	No	No	(605) 673-4473	272	20	13.7	27.2%	230 (84.6%)	1 (0.4%)	20 (7.4%)	0 (0.0%)	5 (1.8%)	0 (0.0%)	16 (5.9%)	77.7	24^th of 166 public high schools	85.5%		77.5	26^th of 141 public high schools	81.6%	2	78.7	46.8	57.5	$15,649	$693	$14,956
Hill City High School - 01	Public	9-12	488 Main St	Hill City	57745	Pennington County	Hill City School District 51-2	(n/a)	(n/a)	No	No	(605) 574-3000	158	12	13.0	19.0%	113 (71.5%)	0 (0.0%)	28 (17.7%)	3 (1.9%)	4 (2.5%)	0 (0.0%)	10 (6.3%)	91.8	6^th of 166 public high schools	96.4%		78.2	25^th of 141 public high schools	82.3%	19	80.6	66.7	80.6	$13,444	$316	$13,128

Frequently Asked Questions about A.C.E. High Academy - 06

What is the racial makeup of A.C.E. High Academy - 06?

Students at A.C.E. High Academy - 06 are 81% White, 13% Two or more races, 6% American Indian.

Is A.C.E. High Academy - 06 a good school?

A.C.E. High Academy - 06 ranks in the bottom 0.6% of South Dakota high schools.

How many students attend A.C.E. High Academy - 06?

In the 2024-25 school year, 16 students attended A.C.E. High Academy - 06.

What district is A.C.E. High Academy - 06 in?

Custer School District 16-1

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the South Dakota Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.