Triadelphia Ridge Elementary

Summary:

Triadelphia Ridge Elementary is a highly-rated public elementary school in Ellicott City, Maryland, serving students from pre-kindergarten through 5th grade as part of the Howard County Public Schools district, which is ranked 2nd out of 25 districts in the state.

Triadelphia Ridge Elementary consistently ranks in the top 5% of all Maryland elementary schools, with exceptional academic performance. In the 2023-2024 school year, 73.1% of Triadelphia Ridge students were proficient or better in mathematics, compared to 41.1% for the Howard County district and 24.1% for the state. The school's performance is particularly strong in 3rd grade, where 83.5% of students were proficient or better in mathematics and 87.6% were proficient or better in English language arts (ELA). Triadelphia Ridge also excels in science, with 51.5% of 5th-grade students proficient or better, compared to 36.2% for the district and 23.9% for the state.

Despite its strong academic performance, Triadelphia Ridge has a diverse student population, with 40.99% White, 8.43% African American, 4.79% Hispanic, 37.85% Asian, and 7.44% two or more races. The school's performance is particularly strong for its African American and Asian student subgroups, ranking 2nd and 41st, respectively, out of all Maryland elementary schools in those categories. Triadelphia Ridge's academic performance is significantly higher than many of the nearby elementary schools, such as Longfellow Elementary (37.9% mathematics proficiency) and Swansfield Elementary (39% mathematics proficiency), suggesting that it is a standout school within the Howard County district.


Detail:

Public PK, KG-5

 13400 Triadelphia Rd
       Ellicott City, MD  21042


(410) 313-2560

District: Howard County Public Schools

SchoolDigger Rank:
32nd of 859 Maryland Elementary Schools

Per Pupil Expenditures:  $17,230 Help


Students who attend Triadelphia Ridge Elementary usually attend:

Middle:    Folly Quarter Middle
High:    Glenelg High

Student/teacher ratio:  13.7 Help
Number of students:  605

Racial breakdown:

White:
41.0%
Asian:
37.9%
African American:
8.4%
more

Free/discounted lunch recipients:  4.8% Help


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Performance Trends
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Compare Details Triadelphia Ridge Elementary ranks better than 96.3% of elementary schools in Maryland. It also ranks 4th among 42 ranked elementary schools in the Howard County Public Schools District. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 95.54. (See more...)
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Chronic absenteeism in a high school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
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Compare Details Racial makeup is: White (41%), Asian (37.9%), African American (8.4%). (See more...)
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Compare Details 4.8% of students are receiving a free or discounted lunch. This is the lowest percentage in the Howard County Public Schools District. (See more...)
Teachers
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Compare Details The student/teacher ratio at Triadelphia Ridge Elementary is 13.7. 26 elementary schools in the Howard County Public Schools District have better student/teacher ratios. (See more...)
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Compare Triadelphia Ridge Elementary employs 43.9 full-time teachers.
Finance
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Compare Details The average total spent per student at Triadelphia Ridge Elementary is $17,230. 25 elementary schools in the Howard County Public Schools District spend more per student.
Schooldigger Rankings:

Triadelphia Ridge Elementary was not ranked this year due to insufficient test score data.

Howard County Public Schools:

SchoolDigger ranks Howard County Public Schools 2nd of 25 Maryland school districts. (See district ranking list.)


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Rank History for Triadelphia Ridge Elementary

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Rank History for all students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2004 5.36 760th 803 5.4%
2005 8.36 750th 805 6.8%
2006 9.00 747th 804 7.1%
2007 8.16 753rd 818 7.9%
2008 80.97 118th 838 85.9%
2009 84.59 62nd 850 92.7%
2010 85.88 47th 855 94.5%
2011 86.07 41st 853 95.2%
2012 83.87 56th 857 93.5%
2013 86.11 31st 847 96.3%
2014 85.93 56th 867 93.5%
2015 95.29 26th 859 97.0%
2016 95.42 24th 845 97.2%
2017 93.92 45th 847 94.7%
2018 94.84 40th 857 95.3%
2019 93.43 50th 853 94.1%
2021 96.24 33rd 802 95.9%
2022 93.60 54th 862 93.7%
2023 95.57 32nd 855 96.3%
2024 95.54 32nd 859 96.3%
See the entire list of Maryland Elementary School Rankings!

Rank History for Special Education students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2021 58.82 40th 136 70.6%
See the entire list of Best Maryland Elementary Schools for Special Education Students!

Rank History for Female students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2021 96.08 23rd 796 97.1%
See the entire list of Best Maryland Elementary Schools for Female Students!

Rank History for Male students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2021 93.52 42nd 788 94.7%
See the entire list of Best Maryland Elementary Schools for Male Students!

Rank History for Asian students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2021 68.86 41st 128 68.0%
See the entire list of Best Maryland Elementary Schools for Asian Students!

Rank History for African American students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2021 99.76 2nd 504 99.6%
See the entire list of Best Maryland Elementary Schools for African American Students!

Rank History for White students at Triadelphia Ridge Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools MD State Percentile SchoolDigger Rating
2021 83.22 64th 528 87.9%
See the entire list of Best Maryland Elementary Schools for White Students!

Data source: test scores: Maryland State Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Triadelphia Ridge Elementary Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
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Data source: Maryland State Department of Education

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Enrollment information for Triadelphia Ridge Elementary

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1999 561 23 25 3 3 n/a n/a 0 615
2000 588 24 26 2 2 n/a n/a 0 642
2001 598 24 31 3 2 n/a n/a 0 658
2002 605 30 48 9 2 n/a n/a 0 694
2003 605 30 48 9 2 n/a n/a 0 694
2004 596 29 57 10 1 n/a n/a 0 693
2005 587 32 67 14 1 n/a n/a 0 701
2006 559 37 63 12 0 n/a n/a 0 671
2007 349 26 49 8 0 n/a n/a 0 432
2008 337 34 52 8 0 n/a n/a 0 431
2009 347 28 51 5 0 n/a n/a 0 431
2010 337 26 58 7 0 n/a n/a 0 428
2011 266 26 55 20 2 0 37 0 406
2012 258 26 66 17 1 0 43 0 411
2013 262 21 89 23 1 0 46 0 442
2014 276 18 114 27 3 0 47 0 485
2015 281 18 143 23 0 0 44 0 509
2016 274 28 155 21 0 1 49 0 528
2017 284 30 167 30 0 1 48 0 560
2018 268 35 165 37 1 2 45 0 553
2019 265 46 159 40 1 2 50 0 563
2020 257 42 170 36 3 2 45 0 555
2021 258 47 163 30 2 2 38 0 540
2022 248 46 197 30 2 1 38 0 562
2023 248 51 229 29 2 1 45 0 605

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Triadelphia Ridge Elementary

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1999 615 38.0 16.2 2.1
2000 642 38.5 16.7 1.4
2001 658 41.0 16.0 0.8
2002 694 41.0 16.9 1.4
2003 694 41.0 16.9 1.4
2004 693 43.6 15.9 2
2005 701 47.0 14.9 2
2006 671 45.0 14.9 1.2
2007 432 33.2 13.0 0.2
2008 431 35.2 12.2 0.9
2009 431 33.8 12.8 2.3
2010 428 30.0 14.2 2.3
2011 406 31.0 13.0 4.2
2012 411 35.8 11.4 4.1
2013 442 33.8 13.0 2.9
2014 485 35.8 13.5 4.3
2015 509 33.0 15.4 4.3
2016 528 34.0 15.5 3.4
2017 560 38.9 14.3 1.6
2018 553 38.0 14.5 2.5
2019 563 40.1 14.0 2.7
2020 555 36.8 15.0 3.2
2021 540 40.9 13.2 2.6
2022 562 40.9 13.7 2.1
2023 605 43.9 13.7 4.8

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Triadelphia Ridge Elementary

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1999 615 38.0 16.2 2.1
2000 642 38.5 16.7 1.4
2001 658 41.0 16.0 0.8
2002 694 41.0 16.9 1.4
2003 694 41.0 16.9 1.4
2004 693 43.6 15.9 2
2005 701 47.0 14.9 2
2006 671 45.0 14.9 1.2
2007 432 33.2 13.0 0.2
2008 431 35.2 12.2 0.9
2009 431 33.8 12.8 2.3
2010 428 30.0 14.2 2.3
2011 406 31.0 13.0 4.2
2012 411 35.8 11.4 4.1
2013 442 33.8 13.0 2.9
2014 485 35.8 13.5 4.3
2015 509 33.0 15.4 4.3
2016 528 34.0 15.5 3.4
2017 560 38.9 14.3 1.6
2018 553 38.0 14.5 2.5
2019 563 40.1 14.0 2.7
2020 555 36.8 15.0 3.2
2021 540 40.9 13.2 2.6
2022 562 40.9 13.7 2.1
2023 605 43.9 13.7 4.8

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Finances

Per Pupil Expenditures for Triadelphia Ridge Elementary

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $457 (3.4%) $12,959 (96.6%) $13,417
2020 $493 (3.5%) $13,662 (96.5%) $14,155
2021 $796 (5.1%) $14,859 (94.9%) $15,655
2022 $964 (5.9%) $15,496 (94.1%) $16,460
2023 $766 (4.4%) $16,464 (95.6%) $17,230

Data source: Maryland Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Triadelphia Ridge Elementary

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 50th of 853 Elementary schoolsRanks 32nd of 855 Elementary schools
 2.1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students563605
 7.5%
African American4651
 10.9%
American Indian12
 100%
Asian159229
 44%
Hispanic4029
 27.5%
Pacific Islander21
 50%
White265248
 6.4%
Two or More Races5045
 10%
% Free/Discounted Lunch Recipients2.7%4.8%
 2.1%


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Frequently Asked Questions about Triadelphia Ridge Elementary

Yes! Triadelphia Ridge Elementary is one of the best elementary schools in the state. It ranks 32nd of 859 Maryland elementary schools.

Students at Triadelphia Ridge Elementary are 41% White, 38% Asian, 8% African American, 7% Two or more races, 5% Hispanic.

In the 2022-23 school year, 605 students attended Triadelphia Ridge Elementary.

Students who attend Triadelphia Ridge Elementary usually go on to attend:

Middle : Folly Quarter Middle
High : Glenelg High


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





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