Gerber Elementary (Data source)
Source data for Gerber 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 | 3007538 | 2402 | - | 2436 | = | -34 | * | (48 | / | 251) | = | -6.50199201 | ||
| 4 | 3007541 | 2411 | - | 2485 | = | -74 | * | (45 | / | 251) | = | -13.26693223 | ||
| 5 | 3007542 | 2435 | - | 2528 | = | -93 | * | (39 | / | 251) | = | -14.4501992 | ||
| 6 | 3007545 | 2468 | - | 2552 | = | -84 | * | (46 | / | 251) | = | -15.39442229 | ||
| 7 | 3007546 | 2510 | - | 2567 | = | -57 | * | (39 | / | 251) | = | -8.8565737 | ||
| 8 | 3007549 | 2518 | - | 2586 | = | -68 | * | (34 | / | 251) | = | -9.21115536 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Gerber Elementary | -68 | ||||||||||||
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 | 92187 | 2386 | - | 2436 | = | -50 | * | (43 | / | 270) | = | -7.96296295 | ||
| 4 | 92190 | 2414 | - | 2485 | = | -71 | * | (52 | / | 270) | = | -13.67407403 | ||
| 5 | 92192 | 2424 | - | 2528 | = | -104 | * | (50 | / | 270) | = | -19.25925924 | ||
| 6 | 92193 | 2483 | - | 2552 | = | -69 | * | (41 | / | 270) | = | -10.47777772 | ||
| 7 | 92196 | 2478 | - | 2567 | = | -89 | * | (43 | / | 270) | = | -14.17407405 | ||
| 8 | 92197 | 2530 | - | 2586 | = | -56 | * | (41 | / | 270) | = | -8.50370366 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Gerber Elementary | -74 | ||||||||||||
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 | 94978 | 2402 | - | 2436 | = | -34 | * | (45 | / | 271) | = | -5.64575644 | ||
| 4 | 94980 | 2406 | - | 2485 | = | -79 | * | (42 | / | 271) | = | -12.24354237 | ||
| 5 | 94982 | 2415 | - | 2528 | = | -113 | * | (56 | / | 271) | = | -23.35055346 | ||
| 6 | 94984 | 2452 | - | 2552 | = | -100 | * | (44 | / | 271) | = | -16.2361623 | ||
| 7 | 94985 | 2482 | - | 2567 | = | -85 | * | (40 | / | 271) | = | -12.54612546 | ||
| 8 | 94987 | 2506 | - | 2586 | = | -80 | * | (44 | / | 271) | = | -12.98892984 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Gerber Elementary | -83 | ||||||||||||
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 | 95162 | 2401 | - | 2436 | = | -35 | * | (41 | / | 267) | = | -5.37453182 | ||
| 4 | 95163 | 2414 | - | 2485 | = | -71 | * | (42 | / | 267) | = | -11.16853927 | ||
| 5 | 95166 | 2431 | - | 2528 | = | -97 | * | (44 | / | 267) | = | -15.98501868 | ||
| 6 | 95167 | 2463 | - | 2552 | = | -89 | * | (55 | / | 267) | = | -18.3333333 | ||
| 7 | 95170 | 2437 | - | 2567 | = | -130 | * | (43 | / | 267) | = | -20.93632957 | ||
| 8 | 95171 | 2498 | - | 2586 | = | -88 | * | (42 | / | 267) | = | -13.84269656 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Gerber Elementary | -86 | ||||||||||||
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 | 95825 | 2400 | - | 2436 | = | -36 | * | (48 | / | 255) | = | -6.77647058 | ||
| 4 | 95826 | 2427 | - | 2485 | = | -58 | * | (38 | / | 255) | = | -8.64313721 | ||
| 5 | 95827 | 2434 | - | 2528 | = | -94 | * | (43 | / | 255) | = | -15.8509803 | ||
| 6 | 95828 | 2472 | - | 2552 | = | -80 | * | (36 | / | 255) | = | -11.2941176 | ||
| 7 | 95829 | 2484 | - | 2567 | = | -83 | * | (48 | / | 255) | = | -15.6235294 | ||
| 8 | 95830 | 2483 | - | 2586 | = | -103 | * | (42 | / | 255) | = | -16.96470585 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Gerber Elementary | -75 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -68 | -74 | -83 | -86 | -75 | -386.0 | -77.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -56.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -98.2
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 | 81% | 87% | 83% | 86% | 83% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Gerber Union Elementary school district | County of Tehama
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.
Gerber Elementary math proficiency
Zero+ meets standard.
70% less $meal
73% less $meal
70% less $meal
77% less $meal
74% 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.
Elementary School in 1 School District (Public) schools in Gerber Union Elementary (1)
| Gerber Elementary |