Foresthill Divide (Data source)
Source data for Foresthill Divide
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 | 1600916 | 2411 | - | 2436 | = | -25 | * | (43 | / | 247) | = | -4.3522267 | ||
| 4 | 1600917 | 2439 | - | 2485 | = | -46 | * | (31 | / | 247) | = | -5.77327931 | ||
| 5 | 1600920 | 2467 | - | 2528 | = | -61 | * | (35 | / | 247) | = | -8.64372464 | ||
| 6 | 1600921 | 2529 | - | 2552 | = | -23 | * | (46 | / | 247) | = | -4.28340079 | ||
| 7 | 1600924 | 2541 | - | 2567 | = | -26 | * | (42 | / | 247) | = | -4.42105261 | ||
| 8 | 1600925 | 2551 | - | 2586 | = | -35 | * | (50 | / | 247) | = | -7.08502022 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Foresthill Divide | -35 | ||||||||||||
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 | 50064 | 2435 | - | 2436 | = | -1 | * | (61 | / | 260) | = | -0.23461538 | ||
| 4 | 50066 | 2439 | - | 2485 | = | -46 | * | (39 | / | 260) | = | -6.9 | ||
| 5 | 50068 | 2465 | - | 2528 | = | -63 | * | (32 | / | 260) | = | -7.75384615 | ||
| 6 | 50070 | 2493 | - | 2552 | = | -59 | * | (35 | / | 260) | = | -7.94230766 | ||
| 7 | 50072 | 2561 | - | 2567 | = | -6 | * | (50 | / | 260) | = | -1.15384615 | ||
| 8 | 50075 | 2541 | - | 2586 | = | -45 | * | (43 | / | 260) | = | -7.44230768 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Foresthill Divide | -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 | 51478 | 2436 | - | 2436 | = | 0 | * | (28 | / | 241) | = | 0.0 | ||
| 4 | 51480 | 2459 | - | 2485 | = | -26 | * | (60 | / | 241) | = | -6.47302903 | ||
| 5 | 51482 | 2495 | - | 2528 | = | -33 | * | (40 | / | 241) | = | -5.4771784 | ||
| 6 | 51484 | 2488 | - | 2552 | = | -64 | * | (33 | / | 241) | = | -8.76348544 | ||
| 7 | 51486 | 2567 | - | 2567 | = | 0 | * | (36 | / | 241) | = | 0.0 | ||
| 8 | 51488 | 2545 | - | 2586 | = | -41 | * | (44 | / | 241) | = | -7.48547717 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Foresthill Divide | -28 | ||||||||||||
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 | 51509 | 2419 | - | 2436 | = | -17 | * | (33 | / | 235) | = | -2.38723403 | ||
| 4 | 51510 | 2439 | - | 2485 | = | -46 | * | (34 | / | 235) | = | -6.65531915 | ||
| 5 | 51513 | 2502 | - | 2528 | = | -26 | * | (54 | / | 235) | = | -5.97446808 | ||
| 6 | 51514 | 2484 | - | 2552 | = | -68 | * | (45 | / | 235) | = | -13.02127655 | ||
| 7 | 51517 | 2566 | - | 2567 | = | -1 | * | (31 | / | 235) | = | -0.13191489 | ||
| 8 | 51518 | 2599 | - | 2586 | = | 13 | * | (38 | / | 235) | = | 2.10212765 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Foresthill Divide | -26 | ||||||||||||
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 | 51708 | 2426 | - | 2436 | = | -10 | * | (44 | / | 244) | = | -1.80327868 | ||
| 4 | 51709 | 2442 | - | 2485 | = | -43 | * | (35 | / | 244) | = | -6.16803275 | ||
| 5 | 51710 | 2481 | - | 2528 | = | -47 | * | (37 | / | 244) | = | -7.12704917 | ||
| 6 | 51711 | 2499 | - | 2552 | = | -53 | * | (51 | / | 244) | = | -11.07786883 | ||
| 7 | 51712 | 2566 | - | 2567 | = | -1 | * | (48 | / | 244) | = | -0.19672131 | ||
| 8 | 51713 | 2570 | - | 2586 | = | -16 | * | (29 | / | 244) | = | -1.90163934 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Foresthill Divide | -28 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -35 | -31 | -28 | -26 | -28 | -148.0 | -29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -20.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -38.6
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 | 41% | 40% | 42% | 44% | 43% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Foresthill Union Elementary school district | County of Placer
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.
Foresthill Divide math proficiency
Zero+ meets standard.
29% less $meal
33% less $meal
33% less $meal
39% less $meal
37% 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 Foresthill Union Elementary (1)
| Foresthill Divide |