Cherryland Elementary (Data source)
Source data for Cherryland 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 | 45581 | 2382 | - | 2436 | = | -54 | * | (119 | / | 420) | = | -15.29999998 | ||
| 4 | 45582 | 2404 | - | 2485 | = | -81 | * | (112 | / | 420) | = | -21.59999995 | ||
| 5 | 45585 | 2451 | - | 2528 | = | -77 | * | (86 | / | 420) | = | -15.76666661 | ||
| 6 | 45586 | 2483 | - | 2552 | = | -69 | * | (103 | / | 420) | = | -16.92142856 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cherryland Elementary | -70 | ||||||||||||
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 | 1226 | 2384 | - | 2436 | = | -52 | * | (116 | / | 434) | = | -13.89861746 | ||
| 4 | 1228 | 2417 | - | 2485 | = | -68 | * | (110 | / | 434) | = | -17.23502303 | ||
| 5 | 1229 | 2415 | - | 2528 | = | -113 | * | (119 | / | 434) | = | -30.98387092 | ||
| 6 | 1231 | 2451 | - | 2552 | = | -101 | * | (89 | / | 434) | = | -20.71198152 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cherryland Elementary | -83 | ||||||||||||
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 | 1264 | 2381 | - | 2436 | = | -55 | * | (114 | / | 451) | = | -13.90243899 | ||
| 4 | 1266 | 2413 | - | 2485 | = | -72 | * | (111 | / | 451) | = | -17.72062078 | ||
| 5 | 1267 | 2425 | - | 2528 | = | -103 | * | (109 | / | 451) | = | -24.89356983 | ||
| 6 | 1269 | 2422 | - | 2552 | = | -130 | * | (117 | / | 451) | = | -33.72505539 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cherryland Elementary | -90 | ||||||||||||
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 | 1293 | 2389 | - | 2436 | = | -47 | * | (97 | / | 414) | = | -11.01207725 | ||
| 4 | 1296 | 2426 | - | 2485 | = | -59 | * | (103 | / | 414) | = | -14.67874393 | ||
| 5 | 1297 | 2421 | - | 2528 | = | -107 | * | (106 | / | 414) | = | -27.39613523 | ||
| 6 | 1300 | 2448 | - | 2552 | = | -104 | * | (108 | / | 414) | = | -27.13043476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cherryland Elementary | -80 | ||||||||||||
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 | 1320 | 2396 | - | 2436 | = | -40 | * | (109 | / | 422) | = | -10.33175352 | ||
| 4 | 1321 | 2418 | - | 2485 | = | -67 | * | (99 | / | 422) | = | -15.71800945 | ||
| 5 | 1322 | 2435 | - | 2528 | = | -93 | * | (103 | / | 422) | = | -22.6990521 | ||
| 6 | 1323 | 2457 | - | 2552 | = | -95 | * | (111 | / | 422) | = | -24.98815163 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cherryland Elementary | -74 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -70 | -83 | -90 | -80 | -74 | -397.0 | -79.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -58.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -100.4
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 | 85% | 89% | 82% | 72% | 76% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hayward Unified school district | County of Alameda
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.
Cherryland Elementary math proficiency
Zero+ meets standard.
76% less $meal
79% less $meal
72% less $meal
65% less $meal
72% 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.