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Lone Tree (Colorado) Municipal BuildingPhoto: Jeffrey Beall · CC BY 3.0
A
Schools in Lone Tree · Douglas County School District RE-1

Lone Tree’s public schools outscore 92% of Colorado districts

In Lone Tree, 49% of tested students are proficient in math, above the Colorado average (32%). The grade covers the public school district serving Lone Tree, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within Colorado, not nationally.

#13of 159 Colorado townsK–12Where will my kid go?

From Colorado state tests taken in spring 2022, when 86% of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.

Reading proficiency
62%
▲ 17 pts vs CO 45%
2021–22
Math proficiency
49%
▲ 17 pts vs CO 32%
2021–22
Graduate on time
90%
▲ 7 pts vs CO 83%
class of 2023
Spent per student
$14.7K
▼ 8% vs CO $15.9K
FY2024
Students per teacher
17.6
CO 16.3 · larger classes
Schools in town
7
25,357 students on the public path
In brief

Lone Tree’s schools, in brief

Against towns with similar incomes

Among the 116 Colorado towns with household incomes within a quarter of Lone Tree’s, its schools beat 81%, lower than their 92% against all the state’s districts. The grade ↓

Above the state on both counts

Reading proficiency is 62% and math 49% in spring 2022, against 45% and 32% statewide; 90% of the class of 2023 graduated in four years, against 83%. Test scores ↓

Spending and class size

The district spends $14,658 per student, against $15,889 across Colorado (FY2024). Spending doesn’t count toward the grade. Districts ↓

Two elementary schools, then nine middle and ten high schools

Which school depends on the address at every step. See the path ↓

Choice beyond the district

Ascent Classical Academy of Douglas County, Primrose School of Lone Tree (private), Montessori School at Lone Tree (private) and Creme de la Creme Colorado (private) are in town. Every school ↓

Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.

The School Grade

What’s behind Lone Tree’s grade

A+ Test scoresB+ Graduation

A: better than 92% of Colorado school districts, #13 of 159 Colorado towns. Test scores and graduation are both above the Colorado average; test scores are the stronger of the two.

Colorado school districts we grade (169)Better than 92%
Lower resultsHigher results
Colorado towns with similar household incomes (116)Better than 81%
A firm grade. Ordinary sampling error in 28,754 test results and a graduating class of 5,121 wouldn’t change the letter. The tests are from spring 2022, when 86% of Lone Tree’s students in the tested grades sat them (28,744 in math, 28,763 in reading).

How TownRatings grades schools →

Where will my kid go?

Pick a grade. These are the public schools that serve Lone Tree, with each school’s own grade.

The path, start to finish
PK–62 schoolsDepends on your addressA
7–89 middle schoolsDepends on your addressB to A
9–1210 high schoolsDepends on your addressA− to A+

Lone Tree’s public schools are run by Douglas County School District RE-1, which also serves Castle Pines, Castle Rock, Larkspur and Parker. To confirm the school for a specific address, ask the district.

The district

Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.

Douglas County School District RE-1Grades PK–12 · 88 schools · 61,243 students, down 2% since 2020–21 · 17.6 per teacher (CO 16.3)
$14,658CO $15,889 · FY2024
A
Test scores · 2021–22

Well above the state in reading

Reading62%
State average 44.9% · 28763 students tested
Math49%
State average 31.8% · 28744 students tested

Lone Tree vs. its neighbors

Schools grades for the Colorado towns that share Lone Tree’s borders.

Schools next door
TownSchoolsMain districts
Lone TreeADouglas County School District RE-1

Every school in Lone Tree

26 schools. Each public school’s letter compares its own 2020–21 reading and math results with Colorado’s other public schools (the newest school-level results we have).

District schools in Lone Treeby address
Eagle Ridge Elementary School
Elementary · Grades PK–6
A
571 students16:1Rate it →
Lone Tree Elementary
Elementary · Grades PK–6
A
392 students17:1Rate it →
Also serving Lone Treein other towns
Rocky Heights Middle School
Middle · Grades 6–8 · Littleton
A
1,129 students19:1Rate it →
Cimarron Middle
Middle · Grades 6–8 · Parker
B
1,052 students19:1Rate it →
Mesa Middle School
Middle · Grades 6–8 · Castle Rock
B
852 students15:1Rate it →
Sagewood Middle School
Middle · Grades 6–8 · Parker
B
816 students17:1Rate it →
Ranch View Middle School
Middle · Grades 7–8 · Highlands Ranch
A
829 students18:1Rate it →
Sierra Middle School
Middle · Grades 7–8 · Parker
B+
805 students16:1Rate it →
Mountain Ridge Middle School
Middle · Grades 7–8 · Highlands Ranch
A
752 students16:1Rate it →
Castle Rock Middle School
Middle · Grades 7–8 · Castle Rock
B
660 students15:1Rate it →
Cresthill Middle School
Middle · Grades 7–8 · Highlands Ranch
A−
558 students16:1Rate it →
Rock Canyon High School
High · Grades 9–12 · Highlands Ranch
A+
2,325 students22:1Rate it →
Legend High School
High · Grades 9–12 · Parker
A
2,206 students23:1Rate it →
Mountain Vista High School
High · Grades 9–12 · Highlands Ranch
A+
2,169 students23:1Rate it →
Chaparral High School
High · Grades 9–12 · Parker
A
2,007 students21:1Rate it →
Castle View High School
High · Grades 9–12 · Castle Rock
A−
1,938 students24:1Rate it →
Thunderridge High School
High · Grades 9–12 · Highlands Ranch
A
1,820 students22:1Rate it →
Douglas County High School
High · Grades 9–12 · Castle Rock
A
1,659 students19:1Rate it →
Ponderosa High School
High · Grades 9–12 · Parker
A−
1,406 students20:1Rate it →
Highlands Ranch High School
High · Grades 9–12 · Highlands Ranch
A
1,323 students19:1Rate it →
Venture Academy of Leadership and Entrepreneurship
High · Grades 9–12 · Parker
88 students11:1Rate it →
Other district programsby referral or application
Eagle Academy
High · Grades 9–12
C−
Alternative Education
115 students9:1Rate it →
Charter schoolsfree, open by application
Ascent Classical Academy of Douglas County
Grades K–12
B+
Charter
852 students15:1Rate it →
Private schoolstuition; no state tests, so no grade
Primrose School of Lone Tree
Elementary · Grades PK–K
Private · Nonsectarian
140 studentsRate it →
Montessori School at Lone Tree
Elementary · Grades PK–K
Private · Nonsectarian
115 students7:1Rate it →
Creme de la Creme Colorado
Elementary · Grades PK–K
Private · Nonsectarian
57 students3:1Rate it →

Questions about Lone Tree’s schools

Are Lone Tree’s schools good?

By Colorado’s own tests, yes: the public schools Lone Tree children attend outscore 92% of Colorado’s school districts on tests and graduation, an A Schools grade, #13 of 159 Colorado towns. Among towns with similar incomes they beat 81%. Tests are from 2021–22, graduation from the class of 2023.

What school district is Lone Tree in?

Douglas County School District RE-1, which runs grades PK–12 and enrolls 61,243 students in 88 schools (2024–25).

Where do Lone Tree kids go to high school?

One of 10 high schools, depending on your address: Rock Canyon High School, Legend High School, Mountain Vista High School, Chaparral High School, Castle View High School, Thunderridge High School, Douglas County High School, Ponderosa High School, Highlands Ranch High School and Venture Academy of Leadership and Entrepreneurship.

What is Lone Tree’s graduation rate?

90% of the class of 2023 in Douglas County School District RE-1 graduated in four years, against 83% across Colorado.

How much does Lone Tree spend per student?

$14,658 in Douglas County School District RE-1 (FY2024), against $15,889 across Colorado. Spending doesn’t count toward the grade.

Are there private schools in Lone Tree?

Yes: Primrose School of Lone Tree (nonsectarian, grades PK–K, 140 students), Montessori School at Lone Tree (nonsectarian, grades PK–K, 115 students) and Creme de la Creme Colorado (nonsectarian, grades PK–K, 57 students). Lone Tree also has 1 charter school, free and open by application.

Parents talk

What Lone Tree families are saying about school.

Town Square →
Start the conversation

Looking for colleges? Colleges near Lone Tree → They have their own page.

School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within Colorado. Stars are from neighbors.