Thurgood Marshall Elementary (Data source)
Source data for Thurgood Marshall Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 1025382 | 2421 | - | 2436 | = | -15 | * | (120 | / | 352) | = | -5.11363635 | ||
| 4 | 1025383 | 2433 | - | 2485 | = | -52 | * | (123 | / | 352) | = | -18.17045454 | ||
| 5 | 1025386 | 2438 | - | 2528 | = | -90 | * | (109 | / | 352) | = | -27.8693181 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Thurgood Marshall Elementary | -51 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 32181 | 2434 | - | 2436 | = | -2 | * | (91 | / | 325) | = | -0.56 | ||
| 4 | 32183 | 2453 | - | 2485 | = | -32 | * | (112 | / | 325) | = | -11.02769229 | ||
| 5 | 32184 | 2468 | - | 2528 | = | -60 | * | (122 | / | 325) | = | -22.5230769 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Thurgood Marshall Elementary | -34 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 32717 | 2422 | - | 2436 | = | -14 | * | (88 | / | 299) | = | -4.12040133 | ||
| 4 | 32718 | 2433 | - | 2485 | = | -52 | * | (99 | / | 299) | = | -17.21739126 | ||
| 5 | 32721 | 2473 | - | 2528 | = | -55 | * | (112 | / | 299) | = | -20.60200665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Thurgood Marshall Elementary | -42 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 32734 | 2427 | - | 2436 | = | -9 | * | (102 | / | 290) | = | -3.16551723 | ||
| 4 | 32736 | 2454 | - | 2485 | = | -31 | * | (93 | / | 290) | = | -9.94137931 | ||
| 5 | 32738 | 2446 | - | 2528 | = | -82 | * | (95 | / | 290) | = | -26.86206889 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Thurgood Marshall Elementary | -40 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 32914 | 2453 | - | 2436 | = | 17 | * | (114 | / | 304) | = | 6.375 | ||
| 4 | 32915 | 2460 | - | 2485 | = | -25 | * | (98 | / | 304) | = | -8.05921053 | ||
| 5 | 32916 | 2483 | - | 2528 | = | -45 | * | (92 | / | 304) | = | -13.61842101 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Thurgood Marshall Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -51 | -34 | -42 | -40 | -15 | -182.0 | -36.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 99% | 96% | 96% | 97% | 97% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lynwood Unified school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Thurgood Marshall Elementary math proficiency
Zero+ meets standard.
95% less $meal
90% less $meal
89% less $meal
90% less $meal
89% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.