California Elementary (Data source)
Source data for California 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 | 1172956 | 2409 | - | 2436 | = | -27 | * | (53 | / | 215) | = | -6.65581393 | ||
| 4 | 1172959 | 2444 | - | 2485 | = | -41 | * | (58 | / | 215) | = | -11.06046508 | ||
| 5 | 1172960 | 2468 | - | 2528 | = | -60 | * | (47 | / | 215) | = | -13.11627906 | ||
| 6 | 1172963 | 2499 | - | 2552 | = | -53 | * | (57 | / | 215) | = | -14.05116279 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for California Elementary | -45 | ||||||||||||
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 | 36526 | 2417 | - | 2436 | = | -19 | * | (58 | / | 219) | = | -5.03196346 | ||
| 4 | 36528 | 2469 | - | 2485 | = | -16 | * | (48 | / | 219) | = | -3.50684931 | ||
| 5 | 36530 | 2455 | - | 2528 | = | -73 | * | (63 | / | 219) | = | -20.99999994 | ||
| 6 | 36531 | 2511 | - | 2552 | = | -41 | * | (50 | / | 219) | = | -9.36073058 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for California Elementary | -39 | ||||||||||||
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 | 37291 | 2431 | - | 2436 | = | -5 | * | (62 | / | 227) | = | -1.36563877 | ||
| 4 | 37294 | 2460 | - | 2485 | = | -25 | * | (53 | / | 227) | = | -5.8370044 | ||
| 5 | 37295 | 2482 | - | 2528 | = | -46 | * | (51 | / | 227) | = | -10.33480174 | ||
| 6 | 37297 | 2479 | - | 2552 | = | -73 | * | (61 | / | 227) | = | -19.61674002 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for California Elementary | -37 | ||||||||||||
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 | 37244 | 2431 | - | 2436 | = | -5 | * | (46 | / | 202) | = | -1.13861386 | ||
| 4 | 37247 | 2473 | - | 2485 | = | -12 | * | (59 | / | 202) | = | -3.50495048 | ||
| 5 | 37248 | 2506 | - | 2528 | = | -22 | * | (51 | / | 202) | = | -5.55445543 | ||
| 6 | 37251 | 2518 | - | 2552 | = | -34 | * | (46 | / | 202) | = | -7.74257425 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for California Elementary | -18 | ||||||||||||
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 | 37449 | 2427 | - | 2436 | = | -9 | * | (47 | / | 195) | = | -2.16923077 | ||
| 4 | 37450 | 2482 | - | 2485 | = | -3 | * | (43 | / | 195) | = | -0.66153846 | ||
| 5 | 37451 | 2492 | - | 2528 | = | -36 | * | (58 | / | 195) | = | -10.70769229 | ||
| 6 | 37452 | 2544 | - | 2552 | = | -8 | * | (47 | / | 195) | = | -1.92820513 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for California Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -45 | -39 | -37 | -18 | -15 | -154.0 | -30.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -69.8
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 | 93% | 92% | 90% | 90% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hacienda la Puente 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.
California Elementary math proficiency
Zero+ meets standard.
85% less $meal
82% less $meal
80% less $meal
83% less $meal
85% 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.