Antelope Creek Elementary (Data source)
Source data for Antelope Creek 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 | 1628526 | 2429 | - | 2436 | = | -7 | * | (53 | / | 238) | = | -1.55882353 | ||
| 4 | 1628527 | 2455 | - | 2485 | = | -30 | * | (47 | / | 238) | = | -5.92436973 | ||
| 5 | 1628530 | 2486 | - | 2528 | = | -42 | * | (76 | / | 238) | = | -13.4117647 | ||
| 6 | 1628531 | 2541 | - | 2552 | = | -11 | * | (62 | / | 238) | = | -2.86554621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Antelope Creek Elementary | -24 | ||||||||||||
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 | 50906 | 2446 | - | 2436 | = | 10 | * | (74 | / | 273) | = | 2.71062271 | ||
| 4 | 50909 | 2472 | - | 2485 | = | -13 | * | (60 | / | 273) | = | -2.85714285 | ||
| 5 | 50910 | 2529 | - | 2528 | = | 1 | * | (60 | / | 273) | = | 0.21978022 | ||
| 6 | 50912 | 2531 | - | 2552 | = | -21 | * | (79 | / | 273) | = | -6.07692307 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Antelope Creek Elementary | -6 | ||||||||||||
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 | 52366 | 2464 | - | 2436 | = | 28 | * | (69 | / | 249) | = | 7.75903612 | ||
| 4 | 52369 | 2480 | - | 2485 | = | -5 | * | (63 | / | 249) | = | -1.26506024 | ||
| 5 | 52370 | 2523 | - | 2528 | = | -5 | * | (60 | / | 249) | = | -1.20481928 | ||
| 6 | 52372 | 2535 | - | 2552 | = | -17 | * | (57 | / | 249) | = | -3.89156625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Antelope Creek Elementary | 1 | ||||||||||||
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 | 52433 | 2448 | - | 2436 | = | 12 | * | (76 | / | 256) | = | 3.5625 | ||
| 4 | 52434 | 2482 | - | 2485 | = | -3 | * | (61 | / | 256) | = | -0.71484375 | ||
| 5 | 52437 | 2531 | - | 2528 | = | 3 | * | (62 | / | 256) | = | 0.7265625 | ||
| 6 | 52438 | 2557 | - | 2552 | = | 5 | * | (57 | / | 256) | = | 1.11328125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Antelope Creek Elementary | 5 | ||||||||||||
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 | 52608 | 2461 | - | 2436 | = | 25 | * | (67 | / | 257) | = | 6.51750973 | ||
| 4 | 52609 | 2483 | - | 2485 | = | -2 | * | (64 | / | 257) | = | -0.49805447 | ||
| 5 | 52610 | 2534 | - | 2528 | = | 6 | * | (63 | / | 257) | = | 1.47081712 | ||
| 6 | 52611 | 2566 | - | 2552 | = | 14 | * | (63 | / | 257) | = | 3.4319066 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Antelope Creek Elementary | 11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -6 | 1 | 5 | 11 | -13.0 | -2.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 36.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -41.6
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 | 43% | 41% | 39% | 44% | 43% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rocklin Unified school district | County of Placer
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.
Antelope Creek Elementary math proficiency
Zero+ meets standard.
33% less $meal
31% less $meal
31% less $meal
40% less $meal
36% 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.