La Colima Elementary (Data source)
Source data for La Colima 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 | 686003 | 2401 | - | 2436 | = | -35 | * | (94 | / | 268) | = | -12.27611938 | ||
| 4 | 686004 | 2457 | - | 2485 | = | -28 | * | (87 | / | 268) | = | -9.08955222 | ||
| 5 | 686007 | 2480 | - | 2528 | = | -48 | * | (87 | / | 268) | = | -15.58208952 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Colima Elementary | -37 | ||||||||||||
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 | 21678 | 2437 | - | 2436 | = | 1 | * | (72 | / | 252) | = | 0.28571429 | ||
| 4 | 21680 | 2437 | - | 2485 | = | -48 | * | (90 | / | 252) | = | -17.14285714 | ||
| 5 | 21683 | 2489 | - | 2528 | = | -39 | * | (90 | / | 252) | = | -13.92857142 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Colima Elementary | -31 | ||||||||||||
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 | 22099 | 2430 | - | 2436 | = | -6 | * | (88 | / | 256) | = | -2.0625 | ||
| 4 | 22101 | 2449 | - | 2485 | = | -36 | * | (76 | / | 256) | = | -10.6875 | ||
| 5 | 22104 | 2470 | - | 2528 | = | -58 | * | (92 | / | 256) | = | -20.84375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Colima Elementary | -34 | ||||||||||||
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 | 22087 | 2427 | - | 2436 | = | -9 | * | (77 | / | 242) | = | -2.86363636 | ||
| 4 | 22089 | 2474 | - | 2485 | = | -11 | * | (88 | / | 242) | = | -3.99999999 | ||
| 5 | 22091 | 2477 | - | 2528 | = | -51 | * | (77 | / | 242) | = | -16.22727272 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Colima Elementary | -23 | ||||||||||||
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 | 22264 | 2414 | - | 2436 | = | -22 | * | (75 | / | 228) | = | -7.2368421 | ||
| 4 | 22265 | 2470 | - | 2485 | = | -15 | * | (74 | / | 228) | = | -4.86842105 | ||
| 5 | 22266 | 2500 | - | 2528 | = | -28 | * | (79 | / | 228) | = | -9.70175438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Colima Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -37 | -31 | -34 | -23 | -22 | -147.0 | -29.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.4
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 | 74% | 74% | 74% | 72% | 74% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
East Whittier City Elementary 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.
La Colima Elementary math proficiency
Zero+ meets standard.
64% less $meal
63% less $meal
61% less $meal
62% less $meal
61% 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.