Enrollment
393
Elementary
DISTRICT 474 · STATE 443
SCHOOL COMMUNITY·PHILADELPHIA CITY SD·NCES 421899003720
Mifflin Thomas School
3624 Conrad St, Philadelphia, PA 19129 · (215) 400-3830 · Philadelphia County
GRADES PK–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL393 STUDENTS
C
allk12 Grade
Scored higher than 33% of Pennsylvania public elementary schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Pennsylvania public elementary schools
Student : Teacher
14.3:1
27 FTE teachers
DISTRICT 12.6:1 · STATE 13.1:1
Free / Reduced Lunch
98%
387 students
DISTRICT 99% · STATE 75%
Community
0
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 |
|---|---|---|
| Pre-K | 33 | 8% |
| Kindergarten | 49 | 12% |
| Grade 1 | 51 | 13% |
| Grade 2 | 48 | 12% |
| Grade 3 | 40 | 10% |
| Grade 4 | 40 | 10% |
| Grade 5 | 45 | 11% |
| Grade 6 | 31 | 8% |
| Grade 7 | 26 | 7% |
| Grade 8 | 30 | 8% |
This year's kindergarten class (49) is 63% larger than its 8th grade class (30).
Student demographics
63%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 71% · STATE 59% · 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
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
43.9%
PA avg 51.1% . +2.0pp since 2023
Math
36.3%
PA avg 43.0% . +8.2pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 44 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are up about 2 points since 2023, while math scores are up about 8 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 43.9% | 36.3% |
| 2023-24 | 41.9% | 28.1% |
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. 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
37.9%
composite math + reading, all grades
Predicted
35.4%
based on PA schools with similar FRL share
Beats by
+2.5pp
above demographic expectation
What this means: About 38% of students here test proficient in math and reading, compared with the roughly 35% typical for Pennsylvania 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 Pennsylvania'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 Mifflin Thomas School
Mifflin Thomas School's state test result (37.9% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mifflin Thomas School this school | 393 | 98.5% | 37.9% |
| Pittsburgh Arlington K-8 Pittsburgh | 385 | 96.1% | 8.6% |
| Pittsburgh Dilworth K-5 Pittsburgh | 454 | 93.4% | 57.9% |
| Powel Samuel School Philadelphia | 324 | 95.1% | 67.4% |
| Musser Elementary School Sharon | 324 | 97.5% | 30.4% |
| Sto-Rox Primary Center McKees Rocks | 317 | 95.0% | 18.4% |
Matched among Pennsylvania 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 Mifflin Thomas School ranks
Among elementary schools| Measure | This school | In Pennsylvania | In Philadelphia County |
|---|---|---|---|
| State test proficiency ranked highest first | 37.9% | #1,089 of 1,396 | #36 of 161 |
| Math proficiency ranked highest first | 36.3% | #1,054 of 1,511 ▲ 103 | #31 of 193 ▲ 14 |
| Reading proficiency ranked highest first | 43.9% | #920 of 1,511 ▲ 172 | #36 of 193 ▲ 2 |
| Enrollment ranked largest first | 393 | #911 of 1,638 | #112 of 194 |
| Students per teacher ranked fewest first | 14.3:1 | #1,143 of 1,528 | #115 of 189 |
| Diversity index ranked most diverse first | 62.5% | #265 of 1,531 | #49 of 189 |
| Free and reduced lunch ranked highest share first | 98.5% | #425 of 1,600 | #100 of 193 |
| Enrollment change since 2017-18 ranked fastest growth first | +19.5% | #91 of 450 | #20 of 48 |
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
393
+18 (+5%) vs 2020
-19% since 1990-91, when it was 483
Student : Teacher
14.3:1
was 13.9:1
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 | 393 | 27.4 | 14.3:1 | 98% (387) |
| 2023-24 | 387 | 29.2 | 13.3:1 | 100% (387) |
| 2022-23 | 363 | 25.2 | 14.4:1 | 100% (363) |
| 2020-21 | 375 | 27 | 13.9:1 | 99% (372) |
| 2017-18 | 329 | 21.1 | 15.6:1 | 99% (327) |
| 2015-16 | 321 | 22 | 14.6:1 | 100% (321) |
| 2010-11 | 316 | 21 | 15.1:1 | 75% (237) |
| 2000-01 | 331 | 25 | 13.2:1 | 96% (317) |
| 1990-91 | 483 | 36 | 13.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mifflin Thomas School.
Since 2017-18: students up 19% (329 to 393); teachers up 30% (21.1 to 27.4).
About Mifflin Thomas School
Mifflin Thomas School is classified as an elementary school. It is located in Philadelphia, Pennsylvania. It covers pre-K through 8, with a total enrollment of 393 students.
Mifflin Thomas School is one of the 220 schools that make up Philadelphia City SD (116,230 students in total).
Black students are the majority at Mifflin Thomas School, with 55% of enrollment. Enrollment also includes 22% White, 11% Hispanic, and 9% multiracial. The school's Black share is 16 points above the 39% share among Philadelphia County residents. Mifflin Thomas School's diversity index is 63%, against a US figure of 70%.
Federal records show a student-to-teacher ratio of 14.3:1 at Mifflin Thomas School, with 27.4 full-time-equivalent teachers. On average, elementary schools in Pennsylvania have 13.1:1, compared with 14.3:1 here. The count of students eligible for free or reduced-price lunch equals 98% of enrollment.
Mifflin Thomas School is graded C by allk12, scoring above 33% of Pennsylvania public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
In Pennsylvania, Mifflin Thomas School is in the middle band of BeatsExpectations: 37.9% actual against a predicted 35.4%.
Philadelphia County has these Census figures: the median household income is $61,953, roughly 35% of adults have a four-year degree or more, and about 17% of residents live below the federal poverty line. Philadelphia County is home to 309 public schools and about 182,005 public school students.
Philadelphia Hebrew Public CS is the closest public school, about 0.4 miles away in a straight line. In all, at least 8 other public schools sit within five miles of Mifflin Thomas School. Among the 8 closest schools with test data, this one included, Mifflin Thomas School ranks 2nd on average proficiency.
Under the NCES locale system, Mifflin Thomas School is City: Large.
Mifflin Thomas School's enrollment grew from 375 in 2020-21 to 393 in 2024-25.
Topics for discussion here include school events, clubs, and volunteer needs. Alumni can share how the school prepared them.
Philadelphia County at a glance
View full county profilePopulation
1,579,706
Census ACS
Median income
$61,953
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
17%
Below federal line
Schools in county
309
182,005 students
Quick facts
Related schools
Other schools in Philadelphia City SD
- Northeast High SchoolHigh · 3,463 students
- Lincoln High SchoolHigh · 2,472 students
- Central High SchoolHigh · 2,329 students
- Northeast Community Propel AcademyElementary · 1,783 students
- Mayfair SchoolElementary · 1,763 students
- Washington George High SchoolHigh · 1,755 students
Other schools in Philadelphia
- Northeast High SchoolHigh · 3,463 students
- Philadelphia Performing Arts CSCombined · 2,572 students
- Lincoln High SchoolHigh · 2,472 students
- Central High SchoolHigh · 2,329 students
- MaST Community CS IICombined · 1,875 students
- First Philadelphia Preparatory CSCombined · 1,831 students
Nearby schools
- Philadelphia Hebrew Public CS0.4 mi · 574
- Randolph A. Philip Area Vocational-Technical High School0.7 mi · 437
- Cook-Wissahickon School1.0 mi · 432
- Rhodes E Washington School1.0 mi · 354
- Wissahickon CS1.1 mi · 965
- Allen Dr Ethel School1.2 mi · 322
Frequently asked questions
About Mifflin Thomas SchoolHow many students attend Mifflin Thomas School?
Mifflin Thomas School enrolls approximately 393 students in grades PK-08.
Is Mifflin Thomas School an elementary, middle, or high school?
Mifflin Thomas School is an elementary school covering grades PK-08.
How many teachers does Mifflin Thomas School have?
Mifflin Thomas School employs 27 FTE teachers, for a student-to-teacher ratio of 14.3:1.
What is the student diversity at Mifflin Thomas School?
Student demographics at Mifflin Thomas School are roughly 22% White, 11% Hispanic, 55% Black, 2% Asian, 9% Two or more.
What district is Mifflin Thomas School in?
Mifflin Thomas School is part of Philadelphia City SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.