Emerson Elementary (Data source)
Source data for Emerson 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 | 1161979 | 2376 | - | 2436 | = | -60 | * | (97 | / | 278) | = | -20.93525178 | ||
| 4 | 1161982 | 2404 | - | 2485 | = | -81 | * | (92 | / | 278) | = | -26.80575533 | ||
| 5 | 1161983 | 2441 | - | 2528 | = | -87 | * | (63 | / | 278) | = | -19.71582734 | ||
| 6 | 1161986 | 2468 | - | 2552 | = | -84 | * | (26 | / | 278) | = | -7.85611504 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Emerson Elementary | -75 | ||||||||||||
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 | 36151 | 2416 | - | 2436 | = | -20 | * | (85 | / | 286) | = | -5.94405594 | ||
| 4 | 36153 | 2399 | - | 2485 | = | -86 | * | (85 | / | 286) | = | -25.55944054 | ||
| 5 | 36156 | 2435 | - | 2528 | = | -93 | * | (85 | / | 286) | = | -27.63986012 | ||
| 6 | 36157 | 2466 | - | 2552 | = | -86 | * | (31 | / | 286) | = | -9.32167829 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Emerson Elementary | -68 | ||||||||||||
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 | 36898 | 2430 | - | 2436 | = | -6 | * | (88 | / | 290) | = | -1.82068965 | ||
| 4 | 36899 | 2452 | - | 2485 | = | -33 | * | (77 | / | 290) | = | -8.76206895 | ||
| 5 | 36902 | 2445 | - | 2528 | = | -83 | * | (81 | / | 290) | = | -23.18275855 | ||
| 6 | 36903 | 2458 | - | 2552 | = | -94 | * | (39 | / | 290) | = | -12.64137925 | ||
| 7 | 36905 | 0 | - | 2567 | = | * | (0 | / | 290) | = | ||||
| 8 | 36908 | 0 | - | 2586 | = | * | (0 | / | 290) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Emerson Elementary | -46 | ||||||||||||
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 | 36868 | 2395 | - | 2436 | = | -41 | * | (77 | / | 303) | = | -10.41914189 | ||
| 4 | 36870 | 2430 | - | 2485 | = | -55 | * | (97 | / | 303) | = | -17.60726072 | ||
| 5 | 36872 | 2483 | - | 2528 | = | -45 | * | (80 | / | 303) | = | -11.88118809 | ||
| 6 | 36874 | 2393 | - | 2552 | = | -159 | * | (49 | / | 303) | = | -25.71287119 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Emerson Elementary | -66 | ||||||||||||
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 | 37060 | 2468 | - | 2436 | = | 32 | * | (73 | / | 336) | = | 6.95238093 | ||
| 4 | 37061 | 2444 | - | 2485 | = | -41 | * | (68 | / | 336) | = | -8.29761903 | ||
| 5 | 37062 | 2441 | - | 2528 | = | -87 | * | (87 | / | 336) | = | -22.52678568 | ||
| 6 | 37063 | 2522 | - | 2552 | = | -30 | * | (80 | / | 336) | = | -7.14285714 | ||
| 7 | 37064 | 2509 | - | 2567 | = | -58 | * | (28 | / | 336) | = | -4.83333331 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Emerson Elementary | -36 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -75 | -68 | -46 | -66 | -36 | -291.0 | -58.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -106.2
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 | 82% | 84% | 75% | 82% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Compton 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.
Emerson Elementary math proficiency
Zero+ meets standard.
76% less $meal
78% less $meal
71% less $meal
80% less $meal
76% 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.