Citrus Avenue Elementary (Data source)
Source data for Citrus Avenue 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 | 138216 | 2405 | - | 2436 | = | -31 | * | (40 | / | 159) | = | -7.79874214 | ||
| 4 | 138219 | 2437 | - | 2485 | = | -48 | * | (38 | / | 159) | = | -11.47169808 | ||
| 5 | 138220 | 2457 | - | 2528 | = | -71 | * | (41 | / | 159) | = | -18.30817609 | ||
| 6 | 138223 | 2462 | - | 2552 | = | -90 | * | (40 | / | 159) | = | -22.64150943 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Citrus Avenue Elementary | -60 | ||||||||||||
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 | 4001 | 2406 | - | 2436 | = | -30 | * | (48 | / | 169) | = | -8.52071004 | ||
| 4 | 4003 | 2440 | - | 2485 | = | -45 | * | (42 | / | 169) | = | -11.18343195 | ||
| 5 | 4006 | 2443 | - | 2528 | = | -85 | * | (37 | / | 169) | = | -18.60946744 | ||
| 6 | 4008 | 2429 | - | 2552 | = | -123 | * | (42 | / | 169) | = | -30.56804733 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Citrus Avenue Elementary | -69 | ||||||||||||
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 | 4093 | 2403 | - | 2436 | = | -33 | * | (54 | / | 149) | = | -11.95973153 | ||
| 4 | 4096 | 2424 | - | 2485 | = | -61 | * | (50 | / | 149) | = | -20.46979861 | ||
| 5 | 4098 | 2416 | - | 2528 | = | -112 | * | (45 | / | 149) | = | -33.82550326 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Citrus Avenue Elementary | -66 | ||||||||||||
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 | 4095 | 2332 | - | 2436 | = | -104 | * | (45 | / | 133) | = | -35.18796986 | ||
| 4 | 4098 | 2427 | - | 2485 | = | -58 | * | (41 | / | 133) | = | -17.87969921 | ||
| 5 | 4099 | 2434 | - | 2528 | = | -94 | * | (47 | / | 133) | = | -33.21804505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Citrus Avenue 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 | 4149 | 2363 | - | 2436 | = | -73 | * | (48 | / | 142) | = | -24.67605634 | ||
| 4 | 4150 | 2418 | - | 2485 | = | -67 | * | (39 | / | 142) | = | -18.40140843 | ||
| 5 | 4151 | 2438 | - | 2528 | = | -90 | * | (55 | / | 142) | = | -34.85915487 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Citrus Avenue Elementary | -78 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -60 | -69 | -66 | -86 | -78 | -359.0 | -71.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.8
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 | 88% | 86% | 81% | 87% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chico Unified school district | County of Butte
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.
Citrus Avenue Elementary math proficiency
Zero+ meets standard.
83% less $meal
82% less $meal
74% less $meal
84% less $meal
81% 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.