Little Chico Creek Elementary (Data source)
Source data for Little Chico 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 | 141782 | 2421 | - | 2436 | = | -15 | * | (77 | / | 300) | = | -3.84999999 | ||
| 4 | 141783 | 2463 | - | 2485 | = | -22 | * | (77 | / | 300) | = | -5.64666665 | ||
| 5 | 141786 | 2503 | - | 2528 | = | -25 | * | (69 | / | 300) | = | -5.75 | ||
| 6 | 141787 | 2498 | - | 2552 | = | -54 | * | (77 | / | 300) | = | -13.85999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Little Chico Creek Elementary | -29 | ||||||||||||
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 | 4104 | 2425 | - | 2436 | = | -11 | * | (72 | / | 288) | = | -2.75 | ||
| 4 | 4105 | 2480 | - | 2485 | = | -5 | * | (77 | / | 288) | = | -1.33680556 | ||
| 5 | 4108 | 2495 | - | 2528 | = | -33 | * | (73 | / | 288) | = | -8.36458333 | ||
| 6 | 4110 | 2539 | - | 2552 | = | -13 | * | (66 | / | 288) | = | -2.97916666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Little Chico Creek Elementary | -15 | ||||||||||||
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 | 4181 | 2412 | - | 2436 | = | -24 | * | (68 | / | 223) | = | -7.31838564 | ||
| 4 | 4184 | 2449 | - | 2485 | = | -36 | * | (66 | / | 223) | = | -10.6547085 | ||
| 5 | 4186 | 2483 | - | 2528 | = | -45 | * | (89 | / | 223) | = | -17.95964126 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Little Chico Creek Elementary | -36 | ||||||||||||
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 | 4183 | 2434 | - | 2436 | = | -2 | * | (74 | / | 205) | = | -0.72195122 | ||
| 4 | 4186 | 2458 | - | 2485 | = | -27 | * | (69 | / | 205) | = | -9.08780486 | ||
| 5 | 4187 | 2493 | - | 2528 | = | -35 | * | (62 | / | 205) | = | -10.58536584 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Little Chico Creek Elementary | -20 | ||||||||||||
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 | 4237 | 2438 | - | 2436 | = | 2 | * | (70 | / | 211) | = | 0.66350711 | ||
| 4 | 4238 | 2472 | - | 2485 | = | -13 | * | (74 | / | 211) | = | -4.5592417 | ||
| 5 | 4239 | 2485 | - | 2528 | = | -43 | * | (67 | / | 211) | = | -13.65402844 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Little Chico Creek Elementary | -18 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -29 | -15 | -36 | -20 | -18 | -118.0 | -23.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.6
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 | 61% | 61% | 61% | 64% | 73% |
| 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.
Little Chico Creek Elementary math proficiency
Zero+ meets standard.
53% less $meal
55% less $meal
53% less $meal
61% less $meal
61% 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.