Butte Valley Elementary (Data source)
Source data for Butte Valley 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 |
||
| 7 | 2812209 | 2513 | - | 2567 | = | -54 | * | (25 | / | 43) | = | -31.39534879 | ||
| 8 | 2812210 | 2510 | - | 2586 | = | -76 | * | (18 | / | 43) | = | -31.81395348 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Butte Valley Elementary | -63 | ||||||||||||
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 | 86071 | 2396 | - | 2436 | = | -40 | * | (23 | / | 123) | = | -7.47967476 | ||
| 4 | 86073 | 2462 | - | 2485 | = | -23 | * | (24 | / | 123) | = | -4.48780487 | ||
| 5 | 86075 | 0 | - | 2528 | = | * | (10 | / | 123) | = | ||||
| 6 | 86077 | 2549 | - | 2552 | = | -3 | * | (18 | / | 123) | = | -0.43902439 | ||
| 7 | 86079 | 2525 | - | 2567 | = | -42 | * | (24 | / | 123) | = | -8.19512194 | ||
| 8 | 86082 | 2531 | - | 2586 | = | -55 | * | (24 | / | 123) | = | -10.73170731 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Butte Valley Elementary | -31 | ||||||||||||
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 | 88428 | 2395 | - | 2436 | = | -41 | * | (34 | / | 136) | = | -10.25 | ||
| 4 | 88430 | 2449 | - | 2485 | = | -36 | * | (18 | / | 136) | = | -4.76470588 | ||
| 5 | 88432 | 2509 | - | 2528 | = | -19 | * | (24 | / | 136) | = | -3.35294117 | ||
| 6 | 88435 | 0 | - | 2552 | = | * | (0 | / | 136) | = | ||||
| 7 | 88437 | 2508 | - | 2567 | = | -59 | * | (22 | / | 136) | = | -9.5441176 | ||
| 8 | 88438 | 2512 | - | 2586 | = | -74 | * | (28 | / | 136) | = | -15.23529405 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Butte Valley Elementary | -43 | ||||||||||||
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 | 88657 | 2423 | - | 2436 | = | -13 | * | (23 | / | 131) | = | -2.28244275 | ||
| 4 | 88660 | 2439 | - | 2485 | = | -46 | * | (32 | / | 131) | = | -11.23664121 | ||
| 5 | 88661 | 2504 | - | 2528 | = | -24 | * | (20 | / | 131) | = | -3.66412212 | ||
| 6 | 88664 | 2504 | - | 2552 | = | -48 | * | (24 | / | 131) | = | -8.79389309 | ||
| 7 | 88665 | 2464 | - | 2567 | = | -103 | * | (11 | / | 131) | = | -8.6488549 | ||
| 8 | 88668 | 2487 | - | 2586 | = | -99 | * | (21 | / | 131) | = | -15.87022896 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Butte Valley Elementary | -50 | ||||||||||||
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 | 89287 | 2406 | - | 2436 | = | -30 | * | (25 | / | 124) | = | -6.04838709 | ||
| 4 | 89288 | 2472 | - | 2485 | = | -13 | * | (21 | / | 124) | = | -2.20161289 | ||
| 5 | 89289 | 2498 | - | 2528 | = | -30 | * | (25 | / | 124) | = | -6.04838709 | ||
| 6 | 89290 | 2470 | - | 2552 | = | -82 | * | (20 | / | 124) | = | -13.2258064 | ||
| 7 | 89291 | 2532 | - | 2567 | = | -35 | * | (22 | / | 124) | = | -6.20967739 | ||
| 8 | 89292 | 2452 | - | 2586 | = | -134 | * | (11 | / | 124) | = | -11.88709672 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Butte Valley Elementary | -46 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -63 | -31 | -43 | -50 | -46 | -233.0 | -46.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.6
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 | 81% | 78% | 79% | 83% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Butte Valley Unified school district | County of Siskiyou
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.
Butte Valley Elementary math proficiency
Zero+ meets standard.
70% less $meal
64% less $meal
63% less $meal
72% 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.
Elementary School (Public) schools in Butte Valley Unified (1)
| Butte Valley Elementary |