Del Valle Elementary (Data source)
Source data for Del Valle 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 | 1173221 | 2381 | - | 2436 | = | -55 | * | (63 | / | 254) | = | -13.64173228 | ||
| 4 | 1173222 | 2453 | - | 2485 | = | -32 | * | (50 | / | 254) | = | -6.29921258 | ||
| 5 | 1173225 | 2442 | - | 2528 | = | -86 | * | (69 | / | 254) | = | -23.3622047 | ||
| 6 | 1173226 | 2500 | - | 2552 | = | -52 | * | (72 | / | 254) | = | -14.74015743 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Valle Elementary | -58 | ||||||||||||
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 | 36535 | 2424 | - | 2436 | = | -12 | * | (53 | / | 247) | = | -2.57489878 | ||
| 4 | 36538 | 2411 | - | 2485 | = | -74 | * | (62 | / | 247) | = | -18.57489873 | ||
| 5 | 36539 | 2484 | - | 2528 | = | -44 | * | (51 | / | 247) | = | -9.08502021 | ||
| 6 | 36542 | 2533 | - | 2552 | = | -19 | * | (81 | / | 247) | = | -6.23076922 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Valle Elementary | -36 | ||||||||||||
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 | 37302 | 2422 | - | 2436 | = | -14 | * | (48 | / | 234) | = | -2.87179487 | ||
| 4 | 37303 | 2452 | - | 2485 | = | -33 | * | (60 | / | 234) | = | -8.46153845 | ||
| 5 | 37306 | 2456 | - | 2528 | = | -72 | * | (69 | / | 234) | = | -21.23076917 | ||
| 6 | 37308 | 2540 | - | 2552 | = | -12 | * | (57 | / | 234) | = | -2.92307692 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Valle Elementary | -35 | ||||||||||||
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 | 37254 | 2419 | - | 2436 | = | -17 | * | (39 | / | 221) | = | -3.0 | ||
| 4 | 37256 | 2458 | - | 2485 | = | -27 | * | (49 | / | 221) | = | -5.98642534 | ||
| 5 | 37258 | 2498 | - | 2528 | = | -30 | * | (51 | / | 221) | = | -6.9230769 | ||
| 6 | 37260 | 2492 | - | 2552 | = | -60 | * | (82 | / | 221) | = | -22.26244338 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Valle Elementary | -38 | ||||||||||||
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 | 37459 | 2417 | - | 2436 | = | -19 | * | (52 | / | 208) | = | -4.75 | ||
| 4 | 37460 | 2484 | - | 2485 | = | -1 | * | (42 | / | 208) | = | -0.20192308 | ||
| 5 | 37461 | 2482 | - | 2528 | = | -46 | * | (51 | / | 208) | = | -11.27884612 | ||
| 6 | 37462 | 2524 | - | 2552 | = | -28 | * | (63 | / | 208) | = | -8.48076922 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Valle Elementary | -25 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -58 | -36 | -35 | -38 | -25 | -192.0 | -38.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.4
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 | 92% | 95% | 91% | 89% | 92% |
| 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.
Del Valle Elementary math proficiency
Zero+ meets standard.
82% less $meal
85% less $meal
79% less $meal
80% less $meal
82% 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.