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What do you wish you knew before starting at Arnett C Lines Elem School?
Community prompt from u/allk12. Replies below.
Enrollment
501
Elementary
DISTRICT 372 · STATE 381
SCHOOL COMMUNITY·BARRINGTON CUSD 220·NCES 170505000195
Arnett C Lines Elementary School
217 Eastern Ave, Barrington, IL 60010 · (847) 381-7850 · Cook County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL501 STUDENTS
Student : Teacher
13.2:1
38 FTE teachers
DISTRICT 11.8:1 · STATE 13.9:1
Free / Reduced Lunch
14%
70 students
DISTRICT 23% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 69 | 14% |
| Grade 1 | 73 | 15% |
| Grade 2 | 72 | 14% |
| Grade 3 | 66 | 13% |
| Grade 4 | 106 | 21% |
| Grade 5 | 115 | 23% |
This year's kindergarten class (69) is 40% smaller than its 5th grade class (115).
Student demographics
37%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 60% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
82.1%
IL avg 51.0% . +9.2pp since 2023
Math
76.5%
IL avg 37.9% . +13.7pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 82 of every 100 students at this school read and write at grade level and about 77 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 9 points since 2023, while math scores are up about 14 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 82.1% | 76.5% |
| 2023-24 | 72.9% | 62.8% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
74.7%
composite math + reading, all grades
Predicted
63.5%
based on IL schools with similar FRL share
Beats by
+11.2pp
above demographic expectation
What this means: About 75% of students here test proficient in math and reading, compared with the roughly 63% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Arnett C Lines Elementary School
Arnett C Lines Elementary School's state test result (74.7% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Arnett C Lines Elementary School this school | 501 | 14.0% | 74.7% |
| Wasco Elementary School Wasco | 466 | 13.3% | 67.7% |
| Roslyn Road Elementary School Barrington | 447 | 12.5% | 70.1% |
| Wiesbrook Elementary School Wheaton | 496 | 11.9% | 69.7% |
| Hamilton Elementary School Chicago | 486 | 11.7% | 72.2% |
| Wilson Creek Elementary School Manhattan | 545 | 13.4% | N/A |
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Arnett C Lines Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In Cook County |
|---|---|---|---|
| State test proficiency ranked highest first | 74.7% | #70 of 1,925 | #27 of 760 |
| Math proficiency ranked highest first | 76.5% | #118 of 2,077 ▲ 8 | #43 of 829 ▲ 4 |
| Reading proficiency ranked highest first | 82.1% | #100 of 2,077 ▼ 31 | #45 of 829 ▼ 11 |
| Enrollment ranked largest first | 501 | #552 of 2,419 | #269 of 901 |
| Students per teacher ranked fewest first | 13.2:1 | #942 of 2,035 | #431 of 817 |
| Diversity index ranked most diverse first | 37.1% | #1,232 of 2,042 | #457 of 819 |
| Free and reduced lunch ranked highest share first | 14.0% | #2,049 of 2,132 | #775 of 804 |
| Enrollment change since 2017-18 ranked fastest growth first | +11.1% | #250 of 615 | #73 of 186 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
501
+68 (+16%) vs 2020
0% since 1990-91, when it was 502
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 501 | 38.1 | 13.2:1 | 14% (70) |
| 2023-24 | 488 | 36.7 | 13.3:1 | 15% (71) |
| 2022-23 | 477 | 32.4 | 14.7:1 | 12% (59) |
| 2020-21 | 433 | N/A | N/A | N/A |
| 2017-18 | 451 | 33 | 13.7:1 | 14% (63) |
| 2015-16 | 462 | 33 | 14.0:1 | 15% (71) |
| 2010-11 | 518 | 30 | 17.3:1 | 8% (39) |
| 2000-01 | 622 | 31 | 20.1:1 | N/A |
| 1990-91 | 502 | 24 | 20.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Arnett C Lines Elementary School.
Since 2017-18: students up 11% (451 to 501); teachers up 16% (33 to 38.1).
About Arnett C Lines Elementary School
Arnett C Lines Elementary School is listed by the National Center for Education Statistics as an elementary school in Barrington, Illinois. The student body numbers 501 students, from kindergarten through 5. Average enrollment for elementary schools in Illinois is about 381, so this school runs 31% larger than that.
Arnett C Lines Elementary School is one school in a 12-school district, Barrington CUSD 220, which enrolls 7,936 students.
A majority of students at Arnett C Lines Elementary School, 78%, are White. The next largest groups are 13% Hispanic, 4% multiracial, and 4% Asian. The school's White share is 34 points above the 44% share among Cook County residents. Arnett C Lines Elementary School has a diversity index of 37%, compared with 70% for all US public school students.
Teacher staffing is 38.1 full-time equivalents, or about 13.2 students per teacher. Among elementary schools in Illinois, the typical ratio is 13.9:1. About 14% of students, or 70, qualify for free or reduced-price lunch. Among public schools in Cook County, the average eligibility rate is 66%.
The allk12 BeatsExpectations score for Arnett C Lines Elementary School is +11.2 points: 74.7% actual, 63.5% predicted.
County data help place the school in context: in Cook County, median household income is about $83,498, roughly 43% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. The public schools of Cook County number 1,406 and enroll about 697,934.
The nearest other public school, Barrington Middle School Station, is less than a tenth of a mile away. In all, at least 8 other public schools sit within five miles of Arnett C Lines Elementary School. On state test proficiency, Arnett C Lines Elementary School ranks 4th in a group of 7 nearby schools.
The school's federal locale classification is Suburb: Large.
Arnett C Lines Elementary School had 433 students in 2020-21 and 501 in 2024-25, a 16% rise.
Parents and students can post about school events, clubs, and volunteer needs at Arnett C Lines Elementary School. Alumni can share how the school prepared them.
Cook County at a glance
View full county profilePopulation
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students
Quick facts
Related schools
Other schools in Barrington CUSD 220
- Barrington High SchoolHigh · 2,718 students
- Barrington Mdle School- Prairie CmpsMiddle · 980 students
- Barrington Middle School StationMiddle · 886 students
- Grove Avenue Elementary SchoolElementary · 511 students
- Roslyn Road Elementary SchoolElementary · 447 students
- North Barrington Elementary SchoolElementary · 432 students
Other schools in Barrington
- Barrington High SchoolHigh · 2,718 students
- Barrington Mdle School- Prairie CmpsMiddle · 980 students
- Barrington Middle School StationMiddle · 886 students
- Grove Avenue Elementary SchoolElementary · 511 students
- Roslyn Road Elementary SchoolElementary · 447 students
- Countryside Elementary SchoolElementary · 375 students
Nearby schools
- Barrington Middle School Station0.1 mi · 886
- Hough Street Elementary School0.9 mi · 244
- Grove Avenue Elementary School1.0 mi · 511
- Barrington Mdle School- Prairie Cmps1.5 mi · 980
- Roslyn Road Elementary School1.5 mi · 447
- Barrington High School1.5 mi · 2,718
Frequently asked questions
About Arnett C Lines Elementary SchoolWhat is the total enrollment at Arnett C Lines Elementary School?
Arnett C Lines Elementary School enrolls approximately 501 students in grades KG-05.
What age range does Arnett C Lines Elementary School serve?
Arnett C Lines Elementary School serves students from grade KG through grade 05.
How many students per teacher at Arnett C Lines Elementary School?
Approximately 13.2:1 students per teacher at Arnett C Lines Elementary School.
What is the racial breakdown of students at Arnett C Lines Elementary School?
At Arnett C Lines Elementary School, the student body is approximately 78% White, 13% Hispanic, 1% Black, 4% Asian, 4% Two or more.
Who oversees Arnett C Lines Elementary School?
Arnett C Lines Elementary School is overseen by Barrington CUSD 220 in Cook County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.